title: Poliovirus Attenuation: Molecular Mechanisms and Practical Aspects. Proceedings of a workshop. Bethesda, Maryland, December 9-10, 1991.
mesh_terms: D000818:Animals; D006801:Humans; D008967:Molecular Biology; D011051:Poliomyelitis / Q000517:prevention & control*; D017955:Poliovirus / Q000235:genetics / Q000472:pathogenicity*; D011054:Poliovirus Vaccine, Inactivated; D014774:Virulence / Q000235:genetics
chemical_list: D011054:Poliovirus Vaccine, Inactivated