Observations concerning a persisting infection of HeLa cells with poliomyelitis virus.
D000818:Animals; D006367:HeLa Cells; D006801:Humans; D009374:Neoplasms, Experimental; D011051:Poliomyelitis; D017955:Poliovirus / Q000208:ethnology*
NEOPLASMS/experimental; POLIOMYELITIS VIRUS/culture