The production of high titre poliovirus in concentrated suspensions of tissue culture cells.
D030015:Enterovirus C, Human; D011051:Poliomyelitis; D017955:Poliovirus / Q000208:ethnology*; D012107:Research Design; D013535:Suspensions; D014780:Viruses
D013535:Suspensions
POLIOMYELITIS VIRUSES/culture