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November 12, 1997

AMA Archives Journals Abstracts

JAMA. 1997;278(18):1470c-1470j. doi:10.1001/jama.1997.03550180007002

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.