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Robert L. Wears, MD, MS
University of Florida Health Science Center Jacksonville

JAMA. 1994;271(4):272.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—The discussion by Dr Eddy¹ of what is needed for evidence to be "sufficient" when evaluating medical treatments deserves further exploration. Even if we can agree on appropriate end points, study designs, and use of expert knowledge, the question of how certain we must be that treatment A is beneficial compared with treatment B is still . . . [Full Text PDF of this Article]

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