Appearance of crystalline needles in monkey kidney cell cultures infected with poliomyelitis virus and incubated at 22-30 degrees C.
D000818:Animals; D018929:Cell Culture Techniques; D000882:Haplorhini; D009339:Needles; D011051:Poliomyelitis; D017955:Poliovirus / Q000208:ethnology*; D046509:Tissue Culture Techniques; D014780:Viruses
POLIOMYELITIS VIRUSES/culture; TISSUE CULTURE