title: Preceptors and stewardship--our heritage of excellence in pediatric surgery.
authors.affiliation: Division of Pediatric Surgery, Johns Hopkins Hospital, Baltimore, MD 21205.
authors.forename: J A
authors.initials: JA
authors.lastname: Haller
mesh_terms: D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010372:Pediatrics / Q000266:history*