The primary care physician shortage.
D004470:Economics, Medical; D005102:Health Expenditures / Q000706:statistics & numerical data; D006295:Health Resources / Q000706:statistics & numerical data; D006280:Health Workforce; D007182:Income / Q000706:statistics & numerical data; D007388:Internal Medicine / Q000191:economics; D016345:Medicare Part B / Q000706:statistics & numerical data; D008511:Medicine / Q000706:statistics & numerical data; D010821:Physicians, Family / Q000191:economics / Q000193:education / Q000600:supply & distribution*; D011320:Primary Health Care; D013038:Specialization; D014481:United States