title: [Data without gaps: a genuine contribution to quality assurance in heart surgery].
authors.forename: E
authors.initials: E
authors.lastname: Erdmann
mesh_terms: D000367:Age Factors; D006348:Cardiac Surgical Procedures / Q000401:mortality / Q000592:standards*; D001026:Coronary Artery Bypass / Q000401:mortality / Q000592:standards; D003625:Data Collection; D005500:Follow-Up Studies; D019918:Heart Valve Prosthesis Implantation / Q000401:mortality / Q000592:standards; D006801:Humans; D011446:Prospective Studies; D011785:Quality Assurance, Health Care; D012189:Retrospective Studies; D012307:Risk Factors; D013997:Time Factors