References
- Soll A H, Isenberg J I. Gastrointestinal disease. Pathophysiology, diagnosis, management, 3rd ed, M H Sleisenger, J S Fordtran. WB Saunders Co., Philadelphia 1983; 634–636
- Spiro H M. Clinical gastroenterology, 2nd ed. Mac-Millan Publishing Co. Inc., New York 1977
- Piper D W, Greig M, Shinners J, Thomas J, Crawford J. Digestion 1978; 18: 303–309
- Thomas J H, Greig M, Piper D W. Gastroenterology 1980; 78: 905–911
- Piper D W, McIntosh J H, Ariotti D E, Calogiuri J V, Brown R W. Shy CM. Gut 1981; 22: 1011–1017
- Congalton A A. Status and prestige in Australia. Cheshire Publishing Co., Melbourne 1969
- Tennant C, Andrews G. Aust NZ J Psychiatry 1976; 10: 27–32
- Colton T. Statistics in medicine. Little, Brown and Co., Boston 1974
- Rothman K J, Boice J D. Epidemiologic analysis with a programmable calculator. U.S. Government Printing Office, Washington, DC 1979, National Institutes of Health Publication no. 79–1649
- Croucher J, Oliver E. Statistics: an introduction. McGraw Hill, Sydney 1979
- Peters M N, Richardson C T. Gastroenterology 1983; 84: 114–119
- Davies D T, Wilson A TM. Lancet 1937; 2: 1353–1360
- Hough R L, Fairbank D T, Garcia A M. J Health Soc Behav 1976; 17: 70–82
- Mechanic D. J Human Stress 1975; 1: 43–48
- Paykel E S, Uhlenhuth E H. Can J Psychiatry 1972; 17: 93–100
- Holmes T H, Rahe R H. J Psychosom Res 1967; 11: 213–218
- Paykel E S, Prusoff B A, Uhlenhuth E H. Arch Gen Psychiatry 1971; 25: 340–347
- Bradley C. J Psychosom Res 1980; 24: 35–37
- Lundberg U, Theorell T. J Human Stress 1976; 2: 7–17
- Persson G. Acta Psychiatr Scand 1980; 62: 112–118
- McIntosh J H, Nasiry R W, Frydman M, Waller S L, Piper D W. Scand J Gastroenterol 1983; 18: 945–950
- Lesser I M. Psychosom Med 1981; 43(6)531–543
- Weiner H. Gastroenterology 1983; 84: 189–190