title: 50 years ago. From the Journal of the Connecticut State Medical Society. November 1939: Modes of transmission in poliomyelitis.
authors.forename: J D
authors.initials: JD
authors.lastname: Trask
mesh_terms: D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000266:history* / Q000635:transmission; D014481:United States