Cultivation of equine abortion and equine influenza viruses on the chorioallantoic membrane of chicken embryos.
D000022:Abortion, Spontaneous; D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D049033:Chorioallantoic Membrane; D005260:Female; D006736:Horses; D006801:Humans; D009980:Influenza A virus; D009975:Orthomyxoviridae; D011247:Pregnancy; D014780:Viruses
INFLUENZA VIRUSES; VIRUSES