© 2003 by Oxford University Press
© 2003 Oxford University Press
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In Brief
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Study Examines PSA Threshold for Biopsy
A new study suggests that the commonly accepted threshold for prostate-specific antigen (PSA) levels may miss a large number of prostate cancers.
Rinaa S. Punglia, M.D., of Harvard Medical School in Boston, and her colleagues used a mathematical model to correct for verification biasa phenomenon in which men with positive PSA findings are more likely to be recommended for a prostate biopsy than men
Study Faults Food Surveys in Risk Analyses
Antioxidant Trial Findings Hold Up, Post-Trial Follow-Up Finds