1. Evolving Concepts in Gastrointestinal Motility,1996
2. The effect of sleep on swallowing, esophageal peristalsis, and acid clearance;Orr;Gastroenterology,1984
3. Periodic rectal motor activity: The intrinsic colonic gatekeeper?;Rao;Am J Gastroenterol,1996
4. On the influence of rest, exercise and sleep on gastric digestion;Friedenwald;Am J Med,1906
5. Studies in gastric secretion;Johnson;Am J Physiol,1924