title: Surgeon specific mortality in adult cardiac surgery: quality of data is important.
authors.forename: David R
authors.initials: DR
authors.lastname: Walker
mesh_terms: D002983:Clinical Competence / Q000592:standards; D003253:Consultants; D003625:Data Collection; D006801:Humans; D008505:Medical Staff, Hospital / Q000592:standards*; D019616:Thoracic Surgical Procedures / Q000401:mortality*; D006113:United Kingdom