title: Happy 50th birthday, Salk vaccine.
authors.forename: Mike
authors.initials: M
authors.lastname: Mitka
mesh_terms: D000846:Anniversaries and Special Events; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000266:history*; D011054:Poliovirus Vaccine, Inactivated / Q000266:history*; D014481:United States
chemical_list: D011054:Poliovirus Vaccine, Inactivated