QUANTITATIVE STUDIES ON VIRAL INTERFERENCE IN SUSPENDED L CELLS. V. PERSISTENCE OF PROTECTION IN GROWING CULTURES.
D000818:Animals; D007372:Interferons; D009522:Newcastle disease virus; D009975:Orthomyxoviridae; D046509:Tissue Culture Techniques; D014466:Ultraviolet Rays; D054243:Vesicular Stomatitis; D014721:Vesicular stomatitis Indiana virus; D018116:Vesiculovirus; D014762:Viral Interference; D014776:Virus Cultivation
D007372:Interferons
INFLUENZA VIRUSES; INTERFERON; NEWCASTLE DISEASE VIRUS; TISSUE CULTURE; ULTRAVIOLET RAYS; VESICULAR STOMATITIS VIRUS; VIRUS CULTIVATION