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PDQ® Clinical Trials Database: User's Guide Internet URL http://www.cancer.gov/cancer_information/doc.aspx?viewid=F2AFAEA4-64BD-4E44-B421-56026E252389 Sponsoring Agency National Cancer Institute, National Institutes of Health Description This web site defines the physician data query (PDQ) search mechanism, and presents a step-by-step guide to searching for clinical trials using the PDQ. The guide describes search results and explains how physicians should utilize these results. Related Topics Cancer Technical Assistance Review Date 6/8/2004

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