Combating the coming physician shortage.
D017677:Age Distribution; D003625:Data Collection; D004470:Economics, Medical; D006280:Health Workforce; D006801:Humans; D007182:Income / Q000706:statistics & numerical data* / Q000639:trends; D010820:Physicians / Q000191:economics / Q000600:supply & distribution*; D013038:Specialization; D014481:United States