[Reproduction of influenza virus with the aid of viral ribonucleic acid. IV. Investigation of ribonuclease in embryonated eggs of various ages].
D004531:Eggs; D017127:Glycation End Products, Advanced; D007159:Immunologic Tests; D009975:Orthomyxoviridae / Q000208:ethnology*; D012313:RNA / Q000494:pharmacology*; D012260:Ribonucleases / Q000737:chemistry*
D017127:Glycation End Products, Advanced; D012313:RNA; D012260:Ribonucleases
INFLUENZA VIRUSES/culture; RIBONUCLEASE/chemistry; RIBONUCLEIC ACID/pharmacology