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November 24, 1993

AMA Specialty Journal Abstracts

JAMA. 1993;270(20):2426-2430. doi:10.1001/jama.1993.03510200032011

Edited by Jeanette M. Smith, MD, 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.