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Objective: The percentage of free prostatic-specific antigen (PSA) has been introduced as a tool to avoid unnecessary biopsies in men with normal digital rectal examination (DRE) and serum PSA between 4.1 and 10ng/ml. In this series we also analyze its utility in men with normal DRE and serum PSA between 10.1 and 20ng/ml.Materials and Methods: A series of 1149 consecutive men with normal DRE and serum...
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