[Dissemination and etiological structure of leptospirosis of swine].
D000818:Animals; D007922:Leptospirosis / Q000453:epidemiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014586:USSR
Rasprostranenie i étiologicheskaia struktura leptospiroza svineĭ