title: Isolation of leptospiral serotype szwajizak from dairy cattle in Oregon.
mesh_terms: D000034:Abortion, Veterinary / Q000382:microbiology; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D005260:Female; D007919:Leptospira / Q000302:isolation & purification*; D007922:Leptospirosis / Q000382:microbiology / Q000662:veterinary*; D009922:Oregon; D011247:Pregnancy