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The objective of this study was to investigate the circumstances under which dissemination of prostate-specific antigen (PSA) testing, beginning in 1988, could plausibly explain the declines in prostate cancer mortality observed from 1992 through 1994.

journal of the national cancer institute

Cancer Surveillance Series: Interpreting Trends in Prostate Cancer Part III: Quantifying the Link Between Population Prostate-Specific Antigen Testing and Recent Declines in Prostate Cancer Mortality