From physician shortage to patient shortage: the uncertain future of medical practice.
D006279:Health Maintenance Organizations; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006280:Health Workforce; D006801:Humans; D010820:Physicians / Q000600:supply & distribution*; D011320:Primary Health Care; D013038:Specialization; D013337:Students, Medical; D014481:United States