title: Apples with apples, and the history of risk models.
authors.affiliation: Department of Surgery, College of Physicians and Surgeons; Columbia HeartSource; and the Center for Innovation and Outcomes Research, Columbia University, New York, NY. Electronic address: Pk2245@cumc.columbia.edu.
authors.forename: Paul
authors.initials: P
authors.lastname: Kurlansky
mesh_terms: D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D018570:Risk Assessment / Q000379:methods*