title: Changes in practice patterns.
authors.forename: Brian T
authors.initials: BT
authors.lastname: Callahan
mesh_terms: D002321:Career Choice; D006801:Humans; D007182:Income; D007396:Internship and Residency; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D011364:Professional Practice; D012955:Societies, Medical; D013043:Specialties, Surgical; D014481:United States