1. Baust, W., & Rohrwasser, S. Gastric motility and pH during natural human sleep. Pflueger’s Archives, 1969, 305, 229–240.
2. Beaumont, W. Experiments and observations on the gastric juice and the physiology of digestion. Plttsburgh, New York: F. P. Allen, 1833.
3. Bisgard, J. D., & Nye, D. The influence of hot and cold application upon gastric and intestinal motor activity. Surgical Gynecology and Obstetrics, 1940, 71, 172.
4. Bloom, P. B., Filion, R. D., Stunkard, A. J., Fox, S., & Stellar, E. Gastric and duodenal motility, food intake and hunger measured in man during a 24-hour period. American Journal of Digestive Diseases, 1970, 15, 719–725.
5. Brady, J. V. Further comments on the gastrointestinal system and avoidance behavior. Psychological Reports, 1963, 12, 742.