Abstract
The practice of medicine has come under increasingly intense public examination during the past several years. Two reasons for this scrutiny are rapidly rising health care costs and the increasing proportion of the population with limited access to health care1. Health care expenditures in the United States exceed those in any other nation, and more than 37 million citizens are not covered by basic health insurance.The public scrutiny has been facilitated by other developments in health care. First, many nonmedical groups, including economists, political scientists, and sociologists, have begun to study health care from their own perspectives and . . .

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