1. Breast-feeding during infancy in patients who later develop Crohn's disease;Bergstrand 0, Hellers G,1983
2. Bottle feeding, early gastroenteritis, and inflammatory bowel disease;P1J, Whorwell; G, Holdstock; GM, Whorwell; R, Wright;BrMedJ,1979
3. Childhood factors in ulcerative colitis and Crohn's disease. An international cooperative study;Gilat, T.; Hacolhn, D.; Lilos, P.; Langman, M.J.S.;Scand J Gastroenterol,1987
4. Infant feeding and childhood cancer;Davis, M.K.; Sasitz, D.A.; Graubard, B.I.;Lancet,1988