title: Standardization of reference preparations-factors influencing assay of attenuated polioviruses.
mesh_terms: D003902:Detergents; D011055:Poliovirus Vaccine, Oral / Q000592:standards*; D014613:Vaccines, Attenuated / Q000592:standards*; D014773:Virology / Q000295:instrumentation*
chemical_list: D003902:Detergents; D011055:Poliovirus Vaccine, Oral; D014613:Vaccines, Attenuated