Equine virus abortion in Canada. I. Pathological studies on aborted fetuses.
D037881:Aborted Fetus; D000028:Abortion, Induced; D000034:Abortion, Veterinary; D000818:Animals; D002170:Canada; D005260:Female; D005333:Fetus; D006734:Horse Diseases; D006736:Horses; D011247:Pregnancy; D014777:Virus Diseases
ABORTION, VETERINARY; FETUS; HORSE DISEASES; VIRUS DISEASES