Defective virus RNA synthesis and production of incomplete influenza virus in chick embryo cells.
D000818:Animals; D002247:Carbon Isotopes; D002460:Cell Line; D002478:Cells, Cultured / Q000378:metabolism; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D003673:Defective Viruses; D009975:Orthomyxoviridae / Q000254:growth & development*; D012367:RNA, Viral / Q000096:biosynthesis* / Q000302:isolation & purification; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism; D014779:Virus Replication
D002247:Carbon Isotopes; D012367:RNA, Viral; D014316:Tritium; D014529:Uridine