title: Isolation of subserotypes of leptospirae of the Tarassovi S. Hyos group, previously unknown in the U.S.S.R.
mesh_terms: D000042:Absorption; D000818:Animals; D001431:Bacteriological Techniques; D002417:Cattle; D007919:Leptospira / Q000145:classification / Q000302:isolation & purification*; D012703:Serotyping; D014586:USSR