title: Further observations on Leptospira hardjo infections in pregnant cows.
mesh_terms: D000034:Abortion, Veterinary / Q000209:etiology; D000372:Agglutination Tests; D000818:Animals; D001437:Bacteriuria / Q000662:veterinary; D002417:Cattle; D002418:Cattle Diseases; D003428:Cross Infection / Q000662:veterinary; D005260:Female; D007919:Leptospira / Q000472:pathogenicity; D007922:Leptospirosis / Q000175:diagnosis / Q000662:veterinary*; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000662:veterinary*