1. An in-depth study of Crohn's disease in two french families;Van Kruiningen;Gastroenterology,1992
2. The prevalence of paratuberculosis in culled New England cattle;Chiodini;Cornell Vet,1986
3. Isolation of Mycobacterium paratuberculosis from milk of a cow with Johne's disease;Taylor;Vet Rec,1981
4. Ruminant paratuberculosis (Johne's disease): the current status and future prospects;Chiodini;Cornell Vet,1984
5. Perinatal risk factors for inflammatory bowel disease: a case-control study;Ekbom;Am J Epidemiol,1990