The surgical residency: then, now, and future.
D013502:General Surgery / Q000193:education / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006784:Hospitals, Teaching / Q000266:history / Q000458:organization & administration; D006801:Humans; D007396:Internship and Residency / Q000266:history*; D008505:Medical Staff, Hospital / Q000458:organization & administration; D013503:Surgery Department, Hospital / Q000458:organization & administration; D014481:United States