Cause and prevention of epizootic bovine abortion.
D000034:Abortion, Veterinary / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D000818:Animals; D002140:California; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control; D005260:Female; D011247:Pregnancy