title: Invited commentary.
authors.affiliation: Department of Health Policy, Management & Behavior, School of Public Health, State University of New York-Albany, One University Pl, Rensselaer, NY 12144-3456, USA. elh03@health.state.ny.us
authors.forename: Edward L
authors.initials: EL
authors.lastname: Hannan
mesh_terms: D001026:Coronary Artery Bypass / Q000401:mortality*; D003324:Coronary Artery Disease / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D012042:Registries