The B allele of the NS gene of avian influenza viruses, but not the A allele, attenuates a human influenza A virus for squirrel monkeys.Treanor J.J., Snyder M.H., London W.T., Murphy B.R.View abstractCited forNUCLEOTIDE SEQUENCE [GENOMIC RNA]CategoriesSequencesSourceUniProtKB reviewed (Swiss-Prot)PubMedEurope PMCVirology 171:1-9 (1989)Cited in1617