Survey: physicians work harder for money.
D003625:Data Collection; D019033:Delivery of Health Care, Integrated / Q000191:economics*; D004526:Efficiency; D005251:Fees, Medical / Q000639:trends; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration; D017146:Models, Organizational; D010820:Physicians / Q000191:economics*; D011361:Professional Competence; D012456:Salaries and Fringe Benefits / Q000639:trends*; D014481:United States