[Immunizing leptospiral subinfection].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology* / Q000276:immunology; D005260:Female; D007922:Leptospirosis / Q000276:immunology / Q000662:veterinary*; D014586:USSR
Ob immuniziruiushcheĭ leptospiroznoĭ subinfektsii