Graduate medical education.
D004467:Economics; D004503:Education, Medical, Graduate; D005194:Family Practice; D005550:Foreign Medical Graduates; D006276:Health Facility Size; D007396:Internship and Residency; D008505:Medical Staff, Hospital; D008511:Medicine; D009935:Organizational Affiliation; D010021:Osteopathic Medicine; D010557:Personnel Administration, Hospital; D013038:Specialization; D013223:Statistics as Topic; D014481:United States