1. Development of a Crohn's disease activity index. National Co-operative Crohn's disease study;Best;Gastroenterology,1976
2. Negative findings in laboratory animals for a transmissable agent in Crohn's disease;Bolton;Lancet,1973
3. Primary and secondary antibody production in patients with Crohn's disease;Bucknall;American Journal of Digestive Diseases,1975
4. Clonal Selection Theory;Burnet,1969
5. Proceedings: Observations on the transmissability of Crohn's disease and ulcerative colitis;Cave,1975