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Gastroenterology Clinics of North America|September 1, 1990
Barrett's esophagus. Current assessment and future perspectivesS C Polepalle, R W McCallumDigestive Diseases and Sciences|November 1, 1991
Completion gastrectomy for refractory gastroparesis following surgery for peptic ulcer disease. Long-term follow-up with subjective and objective parametersR W McCallum, S C Polepalle, B SchirmerRadiologic Clinics of North America|December 1, 1986
Urethral disease and interventional cystourethrographyR W McCallumSouthern Medical Journal|August 1, 1984
Diagnosing motility disorders of the upper gastrointestinal tractR W McCallumThe American Journal of Gastroenterology|July 1, 1985
Studies on the mechanism of the lower esophageal sphincter pressure response to alkali ingestion in humansR W McCallumThe Yale Journal of Biology and Medicine|April 26, 2000
Pharmacologic modulation of motilityR W McCallumGastroenterology Clinics of North America|September 1, 1990
Gastric emptying in gastroesophageal reflux and the therapeutic role of prokinetic agentsR W McCallumRadiologic Clinics of North America|August 1, 1979
The adult male urethra: normal anatomy, pathology, and method of urethrographyR W McCallumPageof 25