Equine viral abortion in western Montana.
D000034:Abortion, Veterinary; D000818:Animals; D005260:Female; D006734:Horse Diseases; D006736:Horses; D009009:Montana; D011247:Pregnancy; D014777:Virus Diseases; D014780:Viruses
ABORTION, VETERINARY; ANIMAL VIRUSES; HORSE DISEASES; VIRUS DISEASES