Cheap labor from poor nations.
D000574:American Medical Association; D001208:Asia; D003142:Communication; D003462:Cuba; D003906:Developing Countries; D004470:Economics, Medical; D004521:Educational Measurement; D004534:Egypt; D004641:Emigration and Immigration; D005550:Foreign Medical Graduates / Q000592:standards; D006077:Government Agencies; D006285:Health Planning; D006778:Hospitals, Psychiatric; D007396:Internship and Residency; D007802:Language; D008007:Licensure, Medical; D008800:Mexico; D011570:Psychiatry / Q000193:education; D011787:Quality of Health Care; D012955:Societies, Medical; D013020:South America; D014481:United States; D014482:United States Substance Abuse and Mental Health Services Administration; D000078329:Workforce