Feature: Clinical Physiology: PDF OnlyThe Effect of Running on the Gastrointestinal TractJohnson, Lawrence M.D., Editor; Sullivan, Stephen N. M.D. Author Information From the GI Unit, Victoria Hospital, University of Western Ontario, London, Ontario, Canada. Journal of Clinical Gastroenterology 6(5):p 461-466, October 1984. Buy © Lippincott-Raven Publishers.