title: Why maintenance of certification?
authors.affiliation: American Board of Pediatrics, Chapel Hill, North Carolina, USA.
authors.forename: Hazen P
authors.initials: HP
authors.lastname: Ham
authors.forename: James A
authors.initials: JA
authors.lastname: Stockman
mesh_terms: D002568:Certification; D006801:Humans; D010372:Pediatrics / Q000592:standards*; D013044:Specialty Boards; D014481:United States