title: The chairman of radiology: a changing profile.
mesh_terms: D003952:Diagnostic Imaging / Q000639:trends; D006748:Hospital Departments / Q000458:organization & administration*; D007857:Leadership; D008486:Physician Executives; D011871:Radiology / Q000639:trends*; D011872:Radiology Department, Hospital / Q000458:organization & administration*; D013038:Specialization; D014481:United States