title: A perspective on the early days of pediatric surgery.
authors.forename: C E
authors.initials: CE
authors.lastname: Koop
mesh_terms: D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010372:Pediatrics / Q000266:history*; D012955:Societies, Medical / Q000266:history* / Q000458:organization & administration; D014481:United States