title: Johne's and Crohn's. Chronic inflammatory bowel diseases of infectious aetiology?
mesh_terms: D000328:Adult; D000818:Animals; D002417:Cattle; D002908:Chronic Disease; D003424:Crohn Disease / Q000209:etiology* / Q000382:microbiology / Q000662:veterinary; D006801:Humans; D007223:Infant; D009161:Mycobacterium / Q000302:isolation & purification; D010283:Paratuberculosis / Q000209:etiology* / Q000382:microbiology