Infectivity of ribonucleic acid of poliovirus on HeLa cell mono-layers.
D006367:HeLa Cells; D006801:Humans; D011051:Poliomyelitis; D017955:Poliovirus / Q000208:ethnology*; D012313:RNA; D014780:Viruses
D012313:RNA
POLIOMYELITIS VIRUS/culture; RIBONUCLEIC ACID