Long-term mortality and complications of Björk-Shiley spherical-disc valves--a life table analysis.
Sun Life Assurance Company of Canada, Toronto, Ontario.
B R
BR
MacKenzie
D006350:Heart Valve Prosthesis / Q000009:adverse effects / Q000401:mortality* / Q000706:statistics & numerical data; D006801:Humans; D007352:Insurance, Life; D015993:Life Tables; D012307:Risk Factors