[Epizootology of swine leptospirosis].
D000818:Animals; D007922:Leptospirosis / Q000662:veterinary*; D012426:Russia; D012698:Serologic Tests; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*
Epizootologiia leptospiroza svineí.