title: In Memoriam: George E. Thoma, Jr., MD (1922-2016).
authors.affiliation: St. Louis, MO.
authors.forename: James L
authors.initials: JL
authors.lastname: Littlefield
authors.affiliation: Indianapolis, IN.
authors.forename: James W
authors.initials: JW
authors.lastname: Fletcher
mesh_terms: D049673:History, 20th Century; D008923:Missouri; D009683:Nuclear Medicine / Q000266:history*