title: R. Parker Allen, MD (March 13, 1919–October 1, 2010).
authors.forename: Thomas L
authors.initials: TL
authors.lastname: Slovis
authors.forename: John B
authors.initials: JB
authors.lastname: Campbell
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008297:Male; D010372:Pediatrics / Q000266:history*; D011871:Radiology / Q000266:history*; D014481:United States