[Inhibition of vaccinal infection by a liquid factor in tissue infected by homologous virus. II. Some biochemical properties of the inhibitory factor].
D006801:Humans; D007251:Influenza, Human / Q000276:immunology*; D014612:Vaccines; D014777:Virus Diseases; D014780:Viruses
D014612:Vaccines
INFLUENZA/immunology; VIRUS DISEASES/experimental