Interference between poliomyelitis viruses in tissue culture.
D006801:Humans; D008297:Male; D011051:Poliomyelitis; D017955:Poliovirus / Q000208:ethnology*; D013737:Testis; D046509:Tissue Culture Techniques; D014611:Vaccination; D014780:Viruses
POLIOMYELITIS VIRUS/culture; TISSUE CULTURE