Physician pricing, costs, and income.
D003365:Costs and Cost Analysis; D004465:Economic Competition; D004470:Economics, Medical; D004526:Efficiency; D005251:Fees, Medical; D006301:Health Services Needs and Demand; D006302:Health Services Research; D007182:Income; D008962:Models, Theoretical; D011331:Private Practice / Q000191:economics*; D013223:Statistics as Topic