Mutation of type 3 poliovirus with nitrous acid.
D009154:Mutation; D009573:Nitrites / Q000494:pharmacology*; D009608:Nitrous Acid; D011051:Poliomyelitis; D017955:Poliovirus / Q000494:pharmacology*
D009573:Nitrites; D009608:Nitrous Acid
NITRITES/pharmacology; POLIOMYELITIS VIRUSES/pharmacology