title: Single-leg separations in explanted Bjork-Shiley convexo-concave heart valves.
authors.forename: P
authors.initials: P
authors.lastname: Hedger
mesh_terms: D004867:Equipment Design; D004868:Equipment Failure; D006350:Heart Valve Prosthesis / Q000706:statistics & numerical data*; D006801:Humans; D011358:Product Surveillance, Postmarketing; D012086:Reoperation / Q000706:statistics & numerical data*; D012307:Risk Factors