title: Infectious poliovirus RNA: a sensitive method of assay.
mesh_terms: D003470:Culture Media; D046508:Culture Techniques; D003911:Dextrans; D017955:Poliovirus / Q000302:isolation & purification*; D012367:RNA, Viral
chemical_list: D003470:Culture Media; D003911:Dextrans; D012367:RNA, Viral