Study on the cyclic multiplication of influenza and ND viruses in tissue cultures.
D000818:Animals; D006801:Humans; D007159:Immunologic Tests; D007251:Influenza, Human; D009521:Newcastle Disease; D009522:Newcastle disease virus; D009975:Orthomyxoviridae / Q000208:ethnology*; D014780:Viruses
INFLUENZA VIRUSES/culture; NEWCASTLE DISEASE/virus