title: Polio vaccine trials of 1935.
authors.forename: L B
authors.initials: LB
authors.lastname: Berk
mesh_terms: D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000266:history* / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated / Q000266:history*; D014481:United States
chemical_list: D011054:Poliovirus Vaccine, Inactivated