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Indirect versus Direct Evidence in U.S. Preventive Services Task Force Recommendations

Ned Calonge, MD, MPH; Diana B. Petitti, MD, MPH; Mary B. Barton, MD, MPP

Annals of Internal Medicine 2008;148:708. doi:10.7326/0003-4819-148-9-200805060-00014

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Annals of Internal Medicine

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