Studies on mycobacterial infection of cows in Hokkaido.
D000818:Animals; D002417:Cattle; D007564:Japan; D009161:Mycobacterium / Q000302:isolation & purification*; D014374:Tuberculin Test / Q000662:veterinary; D014380:Tuberculosis, Bovine / Q000382:microbiology*; D014382:Tuberculosis, Cutaneous / Q000382:microbiology / Q000662:veterinary