title: Invited commentary.
authors: Division of Cardiothoracic Surgery, 653-2 West 8th St, Shands Jacksonville, University of Florida, Jacksonville, FL32209-6511, USA. fbakaeen@bcm.edu
authors: Fred H
authors: FH
authors: Edwards
mesh_terms: D000046:Academic Medical Centers; D006348:Cardiac Surgical Procedures / Q000193:education / Q000401:mortality*; D005260:Female; D017052:Hospital Mortality / Q000639:trends*; D006801:Humans; D007396:Internship and Residency; D008297:Male; D011237:Predictive Value of Tests; D012621:Seasons; D016019:Survival Analysis; D013997:Time Factors