1. Almy, T. P. (1951). Experimental studies on the irritable colon. American Journal of Medicine,9, 60–67.
2. Almy, T. P., & Tulin, M. (1947). Alterations in colonic function in man under stress: Experimental production of changes simulating the “irritable colon.” Gastroenterology,8, 616–626.
3. Altaparmakov, I., & Wienbeck, M. (1984). Local inhibition of myoelectrical activity of human colon by loperamide. Digestive Diseases and Sciences,29, 232–238.
4. Barnard, C., & Illman, J. (Eds.) (1981). The body machine (pp. 124–127 ). New York: Crown.
5. Beecher, H. K. (1965). Quantification of the subjective pain experience. In P. Hoch & J. Zubin (Eds.), Psychopathology of perception. New York: Grune & Stratton.