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Article
November 19, 1997

Abstracts

JAMA. 1997;278(19):1553a-1553l. doi:10.1001/jama.1997.03550190014007

Edited by David H. Mark, MD, MPH, Contributing Editor.

Abstracts are selected on the basis of interest to our readers. Publication herein does not suggest an endorsement of content or a validation of conclusions.

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