6Randall VR. Impact of managed care organizations on ethnic Americans and underserved populations[J].Health Care Poor Underserved,1994,(03):224-239.
7Hermer LD,Brody H. Defensive medicine,cost containment,and reform[J].Gen Intern Med,2010,(05):470-473.
8Daskivich TJ,Chamie K,Kwan L. Overtreatment of men with low-risk prostate cancer and significant comorbidity[J].Cancer,2011,(10):2058-2066.
9Szwarcwald CL,Souza-Júnior PR,Damacena GN. Socioeconomic inequalities in the use of outpatient services in Brazil according to health care need:evidence from the World Health Survey[J].BMC Health Services Research,2010,(10):217.
