Doctors make the difference. Physicians' costs are shown to vary widely: study.
Romano
Michael
M
D017598:Efficiency, Organizational / Q000191:economics*; D019538:Health Care Surveys; D006302:Health Services Research; D017721:Hospital Costs; D010818:Practice Patterns, Physicians' / Q000191:economics*; D013503:Surgery Department, Hospital / Q000191:economics*; D013514:Surgical Procedures, Operative / Q000191:economics*; D014481:United States