ADAPTATION OF PARA-INFLUENZA 2 (GROUP-ASSOCIATED) VIRUS TO THE  EMBRYONATED HEN'S EGG.
D000064:Acclimatization; D000222:Adaptation, Physiological; D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D005260:Female; D006801:Humans; D007251:Influenza, Human; D009975:Orthomyxoviridae; D018184:Paramyxoviridae Infections; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
CHICK EMBRYO; PARA-INFLUENZA VIRUSES; TISSUE CULTURE; VIRUS CULTIVATION