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Digestive Diseases and Sciences|February 1, 1994
Basal acid output and gastric acid hypersecretion in gastroesophageal reflux disease. Correlation with ranitidine therapyM J Collen, D A Johnson, M J Sheridan
Digestive Diseases and Sciences|May 1, 1992
Biphasic solid and liquid gastric emptying in normal controls and diabetics using continuous acquisition in LAO viewH A Ziessman, F H Fahey, M J Collen
Digestive Diseases and Sciences|February 1, 1993
Bleeding duodenal ulcer. Role of gastric acid hypersecretionM J Collen, A N Kalloo, M J Sheridan
Digestive Diseases and Sciences|February 1, 1989
Refractory duodenal ulcers (nonhealing duodenal ulcers with standard doses of antisecretory medication)M J Collen, V J Stanczak, C A Ciarleglio
The American Journal of Gastroenterology|May 1, 1994
Age does not affect basal gastric acid secretion in normal subjects or in patients with acid-peptic diseaseM J Collen, J D Abdulian, Y K Chen
The American Journal of Gastroenterology|July 1, 1995
Gastroesophageal reflux disease in the elderly: more severe disease that requires aggressive therapyM J Collen, J D Abdulian, Y K Chen
Gastroenterology|March 1, 1990
Gastric acid hypersecretion in refractory gastroesophageal reflux diseaseM J Collen, J H Lewis, S B Benjamin
The American Journal of Gastroenterology|December 1, 1993
Is there a role for upper gastrointestinal endoscopy in the evaluation of patients with occult blood-positive stool and negative colonoscopy?Y K Chen, D R Gladden, D J Kestenbaum, et al.
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