[The role of agricultural animals in the epidemiology of leptospiroses in the Leningrad region].
D000382:Agricultural Workers' Diseases / Q000635:transmission; D000818:Animals; D006801:Humans; D007922:Leptospirosis / Q000635:transmission* / Q000662:veterinary; D008462:Meat-Packing Industry; D009784:Occupational Diseases / Q000635:transmission*; D012426:Russia
Rol' sel'skokhoziaistvennykh zhivotnykh v ĕpidemiologi leptospirozov v Leningradskoĭ oblasti