title: Polio provocation: solving a mystery with the help of history.
authors: Stephen E
authors: SE
authors: Mawdsley
mesh_terms: D002648:Child; D006291:Health Policy / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000209:etiology / Q000266:history*; D023321:Poliovirus Vaccines / Q000266:history / Q000627:therapeutic use; D014068:Tonsillectomy / Q000009:adverse effects / Q000266:history; D014481:United States
chemical_list: D023321:Poliovirus Vaccines