title: Francis field trial of inactivated poliomyelitis vaccine: background and lessons for today.
authors.affiliation: Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor 48109-2029, USA.
authors.forename: A S
authors.initials: AS
authors.lastname: Monto
mesh_terms: D000818:Animals; D004311:Double-Blind Method; D000882:Haplorhini; 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