Grunkemeier, G L Time-related analysis of nonfatal heart valve complications: cumulative incidence (actual) versus Kaplan-Meier (actuarial). [electronic resource] - Circulation Nov 1997 - II-70-4; discussion II-74-5 p. digital Publication Type: Journal Article ISSN: 0009-7322 Subjects--Topical Terms: AgedAnimalsHumansMiddle AgedMitral Valve--surgeryPostoperative Complications--etiologySwineThromboembolism--etiology