Studies on distribution of leptospires among dogs in Hokkaido.
D000818:Animals; D004283:Dog Diseases / Q000453:epidemiology*; D004285:Dogs; D007564:Japan; D041341:Leptospira interrogans serovar canicola / Q000302:isolation & purification; D007922:Leptospirosis / Q000662:veterinary*; D012698:Serologic Tests