Virus abortion in california.
D000034:Abortion, Veterinary / Q000453:epidemiology* / Q000209:etiology; D000818:Animals; D002140:California; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005260:Female; D006566:Herpesviridae Infections / Q000150:complications / Q000662:veterinary*; D011247:Pregnancy; D014777:Virus Diseases / Q000150:complications / Q000662:veterinary*