The "medical underground": some thoughts and a reply.
D000574:American Medical Association; D004641:Emigration and Immigration; D005550:Foreign Medical Graduates / Q000600:supply & distribution*; D006077:Government Agencies; D006801:Humans; D007396:Internship and Residency; D009026:Mortality; D009938:Organizations; D010820:Physicians / Q000600:supply & distribution; D012042:Registries; D014481:United States