John Fordtran

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John Fordtran is affiliated with the following schools: Johns Hopkins University, Baylor University, Harvard University

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Philosophy

John Fordtran's Degrees

Doctorate Medicine Harvard University

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According to Wikipedia, John Satterfield Fordtran is an emeritus professor of gastroenterology and past president of the American Society for Clinical Investigation. Education and career Fordtran was born in November 1931 in San Antonio, TX. He went to high school at the Texas Military Institute, graduating in 1949.

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John Fordtran's Published Works

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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Gastric acid secretion rate and buffer content of the stomach after eating. Results in normal subjects and in patients with duodenal ulcer. (1973) (409)
Permeability characteristics of the human small intestine. (1965) (373)
Chronic diarrhea of unknown origin. (1980) (368)
Development of a lavage solution associated with minimal water and electrolyte absorption or secretion (1980) (355)
Interrelationships of chloride, bicarbonate, sodium, and hydrogen transport in the human ileum. (1970) (340)
Colon cancer, dysplasia, and surveillance in patients with ulcerative colitis. A critical review. (1987) (337)
The mechanisms of sodium absorption in the human small intestine. (1968) (326)
Healing of duodenal ulcer with an antacid regimen. (1977) (319)
pH dependence of acid secretion and gastrin release in normal and ulcer subjects. (1975) (312)
Effect of dietary calcium and age on jejunal calcium absorption in humans studied by intestinal perfusion. (1973) (275)
Intestinal absorption of magnesium from food and supplements. (1991) (265)
Gastrointestinal absorption of calcium from milk and calcium salts. (1987) (244)
A clinical study of patients with fecal incontinence and diarrhea. (1979) (234)
Reduction of dietary phosphorus absorption by phosphorus binders. A theoretical, in vitro, and in vivo study. (1989) (234)
An evaluation of the importance of gastric acid secretion in the absorption of dietary calcium. (1984) (213)
A method for studying absorption of water and solute from the human small intestine. (1968) (212)
Mechanism of bicarbonate absorption and its relationship to sodium transport in the human jejunum. (1970) (202)
Development of a lavage solution associated with minimal water and electrolyte absorption or secretion. (1980) (198)
Water and salt absorption in the human colon. (1962) (193)
The contribution of malabsorption to the reduction in net energy absorption after long-limb Roux-en-Y gastric bypass. (2010) (192)
Pathogenesis of fecal incontinence in diabetes mellitus: evidence for internal-anal-sphincter dysfunction. (1982) (191)
Studies of osmotic diarrhea induced in normal subjects by ingestion of polyethylene glycol and lactulose. (1989) (190)
Epidemic gastritis with hypochlorhydria (1978) (182)
Ionic constituents and osmolality of gastric and small-intestinal fluids after eating (1966) (182)
Mechanism of the antidiarrheal effect of loperamide. (1984) (178)
In vivo and in vitro evaluation of liquid antacids. (1973) (177)
Gastric emptying and intestinal absorption during prolonged severe exercise. (1967) (174)
The absorption of dietary phosphorus and calcium in hemodialysis patients. (1986) (172)
Water and solute movement in the small intestine of patients with sprue. (1967) (155)
Calcium acetate, an effective phosphorus binder in patients with renal failure. (1989) (153)
Magnesium absorption in the human small intestine. Results in normal subjects, patients with chronic renal disease, and patients with absorptive hypercalciuria. (1976) (150)
Volume-Flow Relationship During the Transport of Fluid Through the Human Small Intestine (1965) (146)
Studies on the mechanisms of food-stimulated gastric acid secretion in normal human subjects. (1976) (144)
Subepithelial collagen table thickness in colon specimens from patients with microscopic colitis and collagenous colitis. (1992) (135)
Bile salt and micellar fat concentration in proximal small bowel contents of ileectomy patients. (1968) (133)
Osmotic effects of polyethylene glycol. (1988) (132)
Studies on the role of cephalic-vagal stimulation in the acid secretory response to eating in normal human subjects. (1977) (129)
Effect of VIP infusion on water and ion transport in the human jejunum (1980) (128)
Intestinal absorption of D-xylose in man. (1962) (126)
Determinants of decreased fecal consistency in patients with diarrhea. (1995) (125)
Role of vitamin D-dependent and vitamin D-independent mechanisms in absorption of food calcium. (1988) (123)
Pathophysiology of potassium absorption and secretion by the human intestine (1994) (120)
Sugar absorption tests, with special reference to 3-0-methyl-d-glucose and d-xylose. (1962) (119)
Effect of the time of administration of calcium acetate on phosphorus binding. (1989) (118)
Alpha 1-antitrypsin excretion in stool in normal subjects and in patients with gastrointestinal disorders. (1990) (116)
An evaluation of the significance of microscopic colitis in patients with chronic diarrhea. (1985) (112)
A low-sodium solution for gastrointestinal lavage. (1990) (110)
Intestinal secretion induced by vasoactive intestinal polypeptide. A comparison with cholera toxin in the canine jejunum in vivo. (1978) (109)
Starch blockers--their effect on calorie absorption from a high-starch meal. (1982) (105)
Permeability characteristics of human jejunum, ileum, proximal colon and distal colon: results of potential difference measurements and unidirectional fluxes. (1982) (104)
Effect of D-glucose on intestinal permeability and its passive absorption in human small intestine in vivo. (1993) (103)
Thyrocalcitonin and the jejunal absorption of calcium, water, and electrolytes in normal subjects. (1973) (99)
Jejunal and ileal adaptation to alterations in dietary calcium: changes in calcium and magnesium absorption and pathogenetic role of parathyroid hormone and 1,25-dihydroxyvitamin D. (1981) (99)
Validity of polyethylene glycol in estimating intestinal water volume. (1963) (98)
Pathogenesis of congenital alkalosis with diarrhea. Implications for the physiology of normal ileal electrolyte absorption and secretion. (1972) (98)
Carbohydrate malabsorption. Its measurement and its contribution to diarrhea. (1990) (97)
Effect of single dose resin-cathartic therapy on serum potassium concentration in patients with end-stage renal disease. (1998) (93)
Stimulation of active and passive sodium absorption by sugars in the human jejunum. (1975) (93)
Urinary excretion of polyethylene glycol 3350 and sulfate after gut lavage with a polyethylene glycol electrolyte lavage solution. (1986) (92)
Water and electrolyte movement in the intestine. (1966) (91)
Microscopic and collagenous colitis: different names for the same condition? (1986) (90)
Fecal osmotic gap and pH in experimental diarrhea of various causes. (1992) (89)
Treatment of Zollinger-Ellison syndrome with exploratory laparotomy, proximal gastric vagotomy, and H2-receptor antagonists. A prospective study. (1985) (89)
Epidemic gastritis with hypochlorhydria. (1979) (85)
Active intestinal chloride secretion in human carriers of cystic fibrosis mutations: an evaluation of the hypothesis that heterozygotes have subnormal active intestinal chloride secretion. (2000) (85)
Effect of perfusion rate on absorption, surface area, unstirred water layer thickness, permeability, and intraluminal pressure in the rat ileum in vivo. (1975) (82)
Studies of the mechanism of the antidiarrheal effect of codeine. (1982) (79)
Studies of the antidiarrheal action of clonidine. Effects on motility and intestinal absorption. (1985) (79)
Diagnosis of magnesium-induced diarrhea. (1991) (77)
Purging and calorie absorption in bulimic patients and normal women. (1983) (76)
The kinetics of water absorption in the human intestine. (1961) (73)
Effect of psyllium, calcium polycarbophil, and wheat bran on secretory diarrhea induced by phenolphthalein. (1993) (70)
Absorption of phosphate in the jejunum of patients with chronic renal failure before and after correction of vitamin D deficiency. (1983) (70)
Conjugated bile acid replacement therapy for short-bowel syndrome. (1999) (70)
Antacid pharmacology in duodenal ulcer. Effect of antacids on postcibal gastric acidity and peptic activity. (1966) (70)
The effect of diarrhea on fecal fat excretion. (1992) (70)
Quantification of colonic lamina propria cells by means of a morphometric point-counting method. (1988) (69)
Effect of low-dose propantheline on food-stimulated gastric acid secretion: comparison with an "optimal effective dose" and interaction with cimetidine. (1977) (68)
Malabsorption due to cholecystokinin deficiency in a patient with autoimmune polyglandular syndrome type I. (2001) (67)
The effect of an H2-receptor antagonist on food-stimulated acid secretion, serum gastrin, and gastric emptying in patients with duodenal ulcers. Comparison with an anticholinergic drug. (1975) (65)
Effect of changing intestinal flow rate on a measurement of intestinal permeability. (1995) (64)
Effect of three laxatives and a cation exchange resin on fecal sodium and potassium excretion. (1995) (62)
The role of intraluminal junction potentials in the generation of the gastric potential difference in man. (1979) (62)
The self-limited nature of chronic idiopathic diarrhea. (1992) (60)
Studies of the prevalence and significance of radiolabeled bile acid malabsorption in a group of patients with idiopathic chronic diarrhea. (1987) (60)
Imaging of the gallbladder. (1983) (59)
Proton-pump inhibition of gastric chloride secretion in congenital chloridorrhea. (1997) (56)
The role of intraluminal sodium in glucose absorption in vivo. (1972) (56)
Effect of sham feeding on gastric acid secretion in healthy subjects and duodenal ulcer patients: evidence for increased basal vagal tone in some ulcer patients. (1980) (55)
Accurate enzymatic measurement of fecal bile acids in patients with malabsorption. (2003) (54)
Cholecystokinin cholecystography. Controlled evaluation in the diagnosis and management of patients with possible acalculous gallbladder disease. (1974) (54)
In vivo intestinal absorption of calcium in humans. (1990) (54)
Inhibition of water and electrolyte absorption by polyethylene glycol (PEG). (1980) (53)
Quantitating the occult. (1985) (53)
Selective jejunal hyperabsorption of calcium in absorptive hypercalciuria. (1979) (53)
Colitis Due to Clostridium Difficile Toxins: Underdiagnosed, Highly Virulent, and Nosocomial (2006) (51)
Fecal fat concentration in patients with steatorrhea (1984) (50)
Conjugated bile acid replacement therapy reduces urinary oxalate excretion in short bowel syndrome. (2003) (49)
Pathophysiology of potassium absorption and secretion by the human intestine. (1994) (49)
Evaluation of chloride/bicarbonate. Exchange in the human colon in vivo. (1983) (48)
Intractable diarrhea. Intestinal perfusion studies and plasma VIP concentrations in patients with pancreatic cholera syndrome and surreptitious ingestion of laxatives and diuretics. (1977) (48)
Mechanism by which glucose stimulates the passive absorption of small solutes by the human jejunum in vivo. (1994) (46)
Experience with sham feeding as a test for vagotomy (1980) (45)
Marker perfusion techniques for measuring intestinal absorption in man. (1966) (45)
The radiological diagnosis of gallbladder disease. An imaging symposium. (1981) (44)
Effect of vasoactive intestinal polypeptide on active and passive transport in the human jejunum. (1981) (44)
Interrelation between jejunal absorption of sodium glucose and water in man. [Abstract] (1965) (43)
Active chloride secretion in the normal human jejunum. (1980) (43)
Ion transport changes during calcitonin-induced intestinal secretion in man. (1976) (42)
Intestinal and Renal Effects of Low-Volume Phosphate and Sulfate Cathartic Solutions Designed for Cleansing the Colon: Pathophysiological Studies in Five Normal Subjects (2009) (42)
Effect of sodium, mannitol, and magnesium on glucose, galactose, 3-O-methylglucose, and fructose absorption in the human ileum. (1975) (42)
Rapid intestinal transit as a primary cause of severe chronic diarrhea in patients with amyloidosis (2003) (41)
Acute effect of diphenoxylate with atropine (Lomotil) in patients with chronic diarrhea and fecal incontinence (1980) (40)
Defining hypercalciuria in nephrolithiasis. (2011) (40)
Ion transport during cholera-induced ileal secretion in the dog. (1971) (40)
Is achlorhydria a cause of iron deficiency anemia? (2015) (39)
Effect of VIP infusion in water and ion transport in the human jejunum. (1980) (39)
Jejunal absorption and secretion of calcium in patients with chronic renal disease on hemodialysis. (1974) (39)
Effect of vagotomy in Zollinger-Ellison syndrome (1979) (39)
Comparison of endogenous and radiolabeled bile acid excretion in patients with idiopathic chronic diarrhea. (1990) (38)
Influence of glucose, fructose, and water movement on calcium absorption in the jejunum (1980) (37)
Factitious Disease: Clinical Lessons from Case Studies at Baylor University Medical Center (2006) (37)
Stimulated active potassium secretion in a patient with colonic pseudo-obstruction: a new mechanism of secretory diarrhea. (2005) (37)
Positive intravenous secretin test in patients with achlorhydria-related hypergastrinemia. (1987) (35)
Effect of continuous infusion of pentagastrin on lower esophageal sphincter pressure and gastric acid secretion in normal subjects. (1975) (34)
Pathogenesis of nephrocalcinosis after sodium phosphate catharsis to prepare for colonoscopy: Intestinal phosphate absorption and its effect on urine mineral and electrolyte excretion. (2007) (34)
Effect of 1,25-(OH)2D3 on jejunal absorption of magnesium in patients with chronic renal disease. (1980) (34)
Segmental perfusion techniques. (1969) (33)
A Theoretical, In Vitro, and In Vivo Study (1989) (33)
A Comparison of Stool Characteristics from Normal and Constipated People (1998) (33)
Diagnostic value of fasting plasma peptide concentrations in patients with chronic diarrhea (1994) (32)
COLONIC ABSORPTION OF TRYPTOPHAN METABOLITES IN MAN. (1964) (32)
Jejunal and ileal absorption in patients with chronic renal disease. Effect of 1alpha-hydroxycholecalciferol. (1976) (31)
Effect of calcitonin on meal-stimulated gastric acid secretion and serum gastrin concentration. (1974) (31)
Abnormal passive chloride absorption in cystic fibrosis jejunum functionally opposes the classic chloride secretory defect. (2003) (30)
Fecal fat concentration in patients with steatorrhea. (1984) (29)
Organic anions in fecal contents. (1971) (28)
Effect of modified sham feeding on jejunal transport and pancreatic and biliary secretion in man. (1978) (28)
Factitious diarrhea induced by stimulant laxatives: accuracy of diagnosis by a clinical reference laboratory using thin layer chromatography. (2007) (27)
Effect of secretin on gastric function in normal subjects and in patients with duodenal ulcer. (1976) (27)
Effect of octreotide on fluid absorption and secretion by the normal human jejunum and ileum in vivo (2002) (27)
Ulcer complications during short-term therapy of duodenal ulcer with active agents and placebo. (1986) (25)
The practical value of comprehensive stool analysis in detecting the cause of idiopathic chronic diarrhea. (2012) (25)
Validation of Polyethylene Glycol 3350 as a Poorly Absorbable Marker for Intestinal Perfusion Studies (2004) (25)
Loss of absorptive capacity for sodium chloride as a cause of diarrhea following partial ileal and right colon resection (1989) (24)
Ox bile treatment of severe steatorrhea in an ileectomy-ileostomy patient. (1982) (24)
Seventy Years of Polyethylene Glycols in Gastroenterology: The Journey of PEG 4000 and 3350 From Nonabsorbable Marker to Colonoscopy Preparation to Osmotic Laxative. (2017) (24)
Speculations on the pathogenesis of diarrhea. (1967) (24)
Gas production after reaction of sodium bicarbonate and hydrochloric acid. (1984) (23)
Steatorrhea and Hyperoxaluria in Severely Obese Patients Before and After Roux-en-Y Gastric Bypass. (2017) (22)
Effect of protonated 2,4,6-triaminopyrimidine, a tight junction blocker, on intestinal transport in dog ileum in vivo. (1977) (22)
Glucose-galactose malabsorption. (1966) (21)
Acid rebound. (1968) (21)
Glucose-stimulated sodium transport by the human intestine during experimental cholera. (1997) (21)
Acute effect of diphenoxylate with atropine (Lomotil) in patients with chronic diarrhea and fecal incontinence. (1980) (19)
Pathophysiology of chronic diarrhoea: insights derived from intestinal perfusion studies in 31 patients. (1986) (19)
Placebos, antacids and cimetidine for duodenal ulcer. (1978) (19)
Treatment of severe steatorrhea with ox bile in an ileectomy patient with residual colon (1992) (19)
Fecal incontinence in chronic diarrhea. Report of a case with improvement after training with rectally infused saline. (1979) (18)
Ectopic gastric mucosa in celiac sprue. (1973) (18)
Gastric adenocarcinoma masquerading endoscopically as benign gastric ulcer (1988) (18)
Intestinal Perforation Caused by Insertion of a Nasogastric Tube Late After Gastric Bypass (2013) (18)
Surreptitious ipecac administration simulating intestinal pseudo-obstruction. (1989) (17)
Effect of vagotomy in Zollinger-Ellison syndrome. (1979) (17)
Effect of long term anticholinergic therapy on gastric acid secretion, with observations on the serial measurement of peak histalog response. (1970) (16)
Effect of mineralocorticoid activity on transtubular potassium gradient, urinary [K]/[Na] ratio, and fractional excretion of potassium. (1998) (15)
Experience with sham feeding as a test for vagotomy. (1980) (15)
Effect of optimum therapeutic dose of poldine on acid secretion, gastric acidity, gastric emptying, and serum gastrin concentration after a protein meal. (1975) (13)
Effect of ouabain on Na,K-ATPase and electrolyte transport in the dog ileum in vivo. (1979) (12)
Calcium absorption: effect of meal and glucose polymer. (1988) (11)
Studies of the antidiarrheal action of clonidine (1985) (11)
The reluctant president (1979) (10)
Deaths associated with insertion of nasogastric tubes for enteral nutrition in the medical intensive care unit: Clinical and autopsy findings (2018) (10)
A CONTROLLED STUDY OF GASTRIC FREEZING FOR THE TREATMENT OF DUODENAL ULCER. (1964) (9)
Colitis associated with oral clindamycin therapy (2005) (9)
Stimulation of intestinal sodium absorption by sugars. (1971) (8)
Intractable diarrhea (1977) (8)
Influence of glucose, fructose, and water movement on calcium absorption in the jejunum. (1980) (8)
Letter: Cholecystokinin cholecystography. (1974) (8)
Microscopic colitis a cause of chronic diarrhea (1984) (8)
Effect of Fludrocortisone and Spironolactone on Sodium and Potassium Losses in Secretory Diarrhea (2004) (7)
Inhibition of neutral sodium absorption by a prostaglandin analogue in patients with cystic fibrosis. (2004) (7)
Effect of magnesium on active and passive sodium transport in the human ileum. (1985) (7)
Jejunal and Ileal Calcium Absorption in Patients with Chronic Renal Disease (6)
A report of five patients with large-volume secretory diarrhea but no evidence of endocrine tumor or laxative abuse (1982) (6)
Effectiveness of novobiocin and cycloserine on Nocardia asteroides; preliminary evaluation in vitro and in vivo. (1957) (5)
of Decreased Fecal Consistency in Patients (1995) (5)
Radiological diagnosis of gallbladder disease (1981) (5)
Discrepancies Between Effects of Recombinant Human Growth Hormone on Absorption and Secretion of Water and Electrolytes on the Human Jejunum Compared to Results Reported on Rat Jejunum (2000) (5)
Gastric hypothermia for duodenal ulcer. A long-term controlled study. (1967) (4)
Digestive disease week May 9–15, 1971 (2005) (4)
Effect of amiloride on sodium transport in the proximal, distal, and entire human colonin vivo (1988) (3)
A Dallas Doctor Who Spoke Truth to Power: Three Perspectives (2012) (3)
Sham feeding in DU patients (1980) (3)
Rapid Intestinal Transit As a Primary Cause of Severe Chronic Diarrhea in Patients With (2003) (3)
Measurement of intestinal water absorption. (1992) (3)
Morton grossman and the journal: Thirty-five years of working together (1978) (3)
The History of Internal Medicine at Baylor University Medical Center, Part 1 (2004) (3)
Dose-response, meal-stimulated gastric antisecretory study of prostaglandin E1 analog, misoprostol, in man (1988) (3)
An ASCI tradition. Presidential address. (1977) (2)
Gastroenterology's editors-in-chief: historical and personal perspectives of their editorships. (2013) (2)
The Humanity of a Baylor Surgeon: A Tribute to Zeck Lieberman (2008) (2)
Round table discussion on gastric ulcer (1978) (2)
The study of intestinal absorption in man. (1962) (2)
Medicine in Dallas 100 Years Ago (2000) (2)
Calcium bioavailability from two calcium carbonate preparations. (1990) (2)
History of Internal Medicine at Baylor University Medical Center, Part 2 (2004) (2)
A Tribute to Göran Klintmalm at the 20th Annual Baylor Transplant Reunion (2007) (2)
Fraud and Misconduct in Clinical Research (1989) (1)
EFFECT OF la-HYDROXYCHOLECALCIFEROL (1975) (1)
the Normal Human Jejunum (1980) (1)
Bicarbonate absorption in the human jejunum. (1969) (1)
Cholylsarcosine (CS) improves fat absorption in short bowel syndrome (SBS) (1998) (1)
A Change in Publisher (1979) (1)
Hazards of PPI overuse and possible ways to curtail it (2007) (1)
The goal of Gastroenterology (1981) (1)
Effect of Dietary Calcium and Age on Jejunal Calcium Absorption in Humans Studied bylIntestinal Perfusion (1)
Effect of PEG on absorption (1981) (1)
Electrolyte transport in the human ileum. (1969) (1)
Sucralfate, smoking, and ulcer healing. (1988) (1)
Salt solution for cleaning the colon. (2003) (0)
Tribute to Zelig H. Lieberman, MD (1998) (0)
Saline solution for colonic purgation (2003) (0)
Diagnostic value of fecal fat concentration (1985) (0)
An endocrine mechanism for severe malabsorption in a patient with autoimmune polyglandular syndrome type 1 (APS 1) (2000) (0)
Gastroenterology's editors-in-chief (2013) (0)
Fecal fat concentration: Determinants and diagnostic value (1985) (0)
MEASUREMENT OF INTESTINAL WATER ABSORPTION. AUTHOR'S REPLIES (1992) (0)
On balance. (1979) (0)
[Round table discussion of gastric ulcer]. (1968) (0)
Immunological studies in sarcoidosis. (1956) (0)
Vagotomy in Z-E syndrome (1980) (0)
In memoriam: John M. Dietschy Sr., MD (1932-2020). (2021) (0)
Factitious disease. (1994) (0)
Clinicopathologic conference. (1966) (0)
Morton Grossman and the Journal: thirty-five years of working together. (1978) (0)
Injury and permeability of gastric mucosa. (1971) (0)
Gastric Acid Secretion Rate and Buffer Content of the Stomach after Eating RESULTS IN NORMAL SUBJECTS ANDIN PATIENTS WITH DUODENAL ULCER (2013) (0)
Spontaneous secretion from the dog small intestine in vivo. (1979) (0)
Acknowledgment of Reviewers for Bumc Proceedings, Volume 28 (2016) (0)
Book reviews (2005) (0)
Saline solution for colon cleansing (2003) (0)
Diseases of intestinal absorption and secretion. (1975) (0)
A method for studying absorption of water and solute from the human small intestine. (1966) (0)
Reply to R Schiffmann. (2015) (0)
Jejunal and Ileal Adaptation to Alterations in Dietary Calcium AND PATHOGENETIC ROLE OF PARATHYROID HORMONE AND 1,25-DIHYDROXYVITAMIN D (0)
News and notices (2005) (0)
Unsuitability of sump tubes for delivery of enteral nutrition and medications to intensive care unit patients (2021) (0)
Saline for the purification of the colon (2003) (0)
Medical treatment of duodenal ulcer. (1975) (0)
Some clinical problems related to gastric acidity (1963) (0)
On the establishment of a National Institute of Digestive Diseases and Nutrition. (1970) (0)
New and notices (1981) (0)
Jim Murray Film: John Fordtran interview transcript (1976) (0)
Determinants of stool looseness in diarrhea (1995) (0)
Is gastrin increased during the cephalic phase (1981) (0)
News and notices (2005) (0)
Determination of systolic blood pressure in newborn infants. (1957) (0)

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