The earning potential of professionals.
D003132:Commerce / Q000191:economics; D003365:Costs and Cost Analysis; D003815:Dentists / Q000191:economics*; D004497:Education, Dental / Q000191:economics*; D006801:Humans; D007182:Income / Q000706:statistics & numerical data*; D010820:Physicians / Q000191:economics; D013038:Specialization / Q000191:economics; D014146:Training Support / Q000191:economics; D014481:United States