What managed care does to physician income in single-specialty and multispecialty practices.
D003625:Data Collection; D004470:Economics, Medical; D006123:Group Practice / Q000191:economics / Q000706:statistics & numerical data; D007182:Income / Q000706:statistics & numerical data; D008329:Managed Care Programs / Q000191:economics / Q000706:statistics & numerical data*; D008511:Medicine / Q000706:statistics & numerical data; D011216:Practice Management, Medical / Q000191:economics / Q000706:statistics & numerical data; D013038:Specialization; D014481:United States