COMPARATIVE STUDIES ON THE PRODUCTION AND ASSAY  OF INTERFERON.
D000818:Animals; D001681:Biological Assay; D002642:Chick Embryo; D007372:Interferons; D051379:Mice; D009522:Newcastle disease virus; D009975:Orthomyxoviridae; D012106:Research; D014616:Vaccinia virus; D014780:Viruses
D007372:Interferons
BIOLOGICAL ASSAY; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; INFLUENZA VIRUSES; INTERFERON; MICE; NEWCASTLE DISEASE VIRUS; VACCINIA VIRUS; VIRUSES