O'Brien, M F The Medtronic Intact xenograft: an analysis of 342 patients over a seven-year follow-up period. [electronic resource] - The Annals of thoracic surgery Aug 1995 - S253-7 p. digital Publication Type: Journal Article ISSN: 0003-4975 Standard No.: 10.1016/0003-4975(95)00534-r doi Subjects--Topical Terms: Actuarial AnalysisAdolescentAdultAgedAged, 80 and overAortic Valve--surgeryBioprosthesis--adverse effectsEndocarditis, Bacterial--etiologyFollow-Up StudiesHeart Valve Prosthesis--adverse effectsHospital MortalityHumansMiddle AgedMitral Valve--surgeryPostoperative ComplicationsProsthesis FailureSurvival RateThromboembolism--etiology