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A Guide to This Supplement
Mark Helfand, MD, MPH; Sally Morton, PhD; Eliseo Guallar, MD, PhD; Cynthia Mulrow, MD, MSc, Deputy Editor
Annals of Internal Medicine 2005;142:1033-1034.
doi:10.7326/0003-4819-142-12 Part 2-200506211-00001
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