The National Health Service Corps.
D006285:Health Planning; D006301:Health Services Needs and Demand; D006280:Health Workforce / Q000600:supply & distribution; D008507:Medically Underserved Area; D009313:National Health Programs / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D010820:Physicians / Q000600:supply & distribution; D010821:Physicians, Family / Q000600:supply & distribution; D014481:United States; D014492:United States Public Health Service; D014504:Urban Health