title: Plaque formation by NWS influenza virus in a human diploid cell strain.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D004622:Embryo, Mammalian; D000882:Haplorhini; D006801:Humans; D009975:Orthomyxoviridae; D014776:Virus Cultivation