QUANTITATIVE DEPENDENCES OF INTERFERENCE BETWEEN MYXOVIRUSES IN TISSUE CULTURE.
D002642:Chick Embryo; D009154:Mutation; D009522:Newcastle disease virus; D009975:Orthomyxoviridae; D012106:Research; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
CHICK EMBRYO; EXPERIMENTAL LAB STUDY; MUTATION; NEWCASTLE DISEASE VIRUS; TISSUE CULTURE; VIRUS CULTIVATION