Doctor's earnings make a stride.
Goldberg
J H
JH
D003625:Data Collection; D004470:Economics, Medical; D005194:Family Practice / Q000191:economics; D007182:Income / Q000706:statistics & numerical data*; D010820:Physicians / Q000191:economics*; D011216:Practice Management, Medical / Q000191:economics* / Q000706:statistics & numerical data; D011365:Professional Practice Location / Q000191:economics; D013038:Specialization; D014481:United States