Factors influencing risk in cardiac surgical patients: cooperative study.
D000293:Adolescent; D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D006350:Heart Valve Prosthesis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008943:Mitral Valve / Q000601:surgery*; D013223:Statistics as Topic