title: John L. Gwinn.
authors: Otha
authors: O
authors: Linton
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D010372:Pediatrics / Q000266:history*; D010820:Physicians / Q000266:history*; D011871:Radiology / Q000266:history*; D012955:Societies, Medical / Q000266:history*; D014481:United States