Koornneef, F A risk assessment and control model for the failing Björk-Shiley convexo-concave heart valve. [electronic resource] - International journal of technology assessment in health care 1996 - 141-5 p. digital Publication Type: Journal Article ISSN: 0266-4623 Standard No.: 10.1017/s0266462300009466 doi Subjects--Topical Terms: Equipment DesignEquipment FailureEquipment SafetyHeart Valve Prosthesis--standardsHumansModels, TheoreticalRisk AssessmentTechnology Assessment, Biomedical--methods