title: Genetical analysis on the stability of poliovirus type 3 Leon 12a1b.
mesh_terms: D017955:Poliovirus / Q000235:genetics* / Q000302:isolation & purification; D011055:Poliovirus Vaccine, Oral / Q000592:standards*; D013696:Temperature; D014613:Vaccines, Attenuated / Q000592:standards; D014776:Virus Cultivation
chemical_list: D011055:Poliovirus Vaccine, Oral; D014613:Vaccines, Attenuated