Graduate medical education in the United States.
D000068:Accreditation; D004501:Education, Medical; D005006:Ethnicity; D005550:Foreign Medical Graduates / Q000600:supply & distribution; D007396:Internship and Residency / Q000600:supply & distribution; D010021:Osteopathic Medicine / Q000193:education; D013038:Specialization; D013223:Statistics as Topic; D014481:United States