Multiplication of influenza virus in the entodermal cells of the allantois of the chick embryo.
D000482:Allantois; D000818:Animals; D002642:Chick Embryo; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D009975:Orthomyxoviridae
EMBRYO; INFLUENZA VIRUSES