A survey of US primary care physicians shows that many believe that their own patients are receiving too much medical care and many feel that malpractice reform, realignment of financial incentives and having more time with patients could reduce pressures on physicians to do more than they feel is needed

http://www.sciencedaily.com/releases/2011/09/110926165911.htm

Journal References:

1. B. E. Sirovich, S. Woloshin, L. M. Schwartz. Too Little? Too Much? Primary Care Physicians' Views on US Health Care: A Brief Report. Archives of Internal Medicine, 2011; 171 (17): 1582 DOI: 10.1001/archinternmed.2011.437
2. C. Chou. Nice Work If You Can Get It: Comment on "Too Little? Too Much? Primary Care Physicians' Views on US Health Care". Archives of Internal Medicine, 2011; 171 (17): 1585 DOI: 10.1001/archinternmed.2011.438