Final thoughts on a year of significant change.
Baumgartner
William A
WA
Division of Cardiac Surgery, Johns Hopkins Hospital, 600 N Wolfe St, Blalock 618, Baltimore, MD 21287-4618, USA. wbaumgar@csurg.jhmi.jhu.edu
D012955:Societies, Medical / Q000639:trends*; D013903:Thoracic Surgery; D014481:United States