title: The perils of long surgical experiences: changes in case mix over time.
authors: Muthiah
authors: M
authors: Vaduganathan
mesh_terms: D001024:Aortic Valve Stenosis / Q000601:surgery*; D015992:Body Mass Index; D005260:Female; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male