The enigma of winter dysentery.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000209:etiology; D002642:Chick Embryo; D004403:Dysentery / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*; D012008:Recurrence; D012621:Seasons; D014735:Vibrio Infections / Q000662:veterinary; D014777:Virus Diseases / Q000662:veterinary