Isolation of small plaque mutant of type 4 echovirus, Pesascek strain.
D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D004622:Embryo, Mammalian; D029822:Enterovirus B, Human / Q000276:immunology / Q000302:isolation & purification*; D005347:Fibroblasts; D006801:Humans; D008168:Lung; D009154:Mutation; D009500:Neutralization Tests