Studies on a factor in normal allantoic fluid inhibiting influenza virus hemagglutination.
D000482:Allantois; D000818:Animals; D049033:Chorioallantoic Membrane; D006384:Hemagglutination; D006386:Hemagglutination Tests; D006801:Humans; D007251:Influenza, Human; D009975:Orthomyxoviridae
ALLANTOIC FLUID; INFLUENZA