Localization of virus hemagglutination inhibitor in the chorioallantoic membrane.
D000818:Animals; D049033:Chorioallantoic Membrane; D005321:Extraembryonic Membranes / Q000737:chemistry*; D006384:Hemagglutination; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D009975:Orthomyxoviridae / Q000737:chemistry*
FETAL MEMBRANES/chemistry; HEMAGGLUTINATION; INFLUENZA VIRUSES/chemistry