Eureka Laboratory - THE PSA TEST: Prostate-specific antigen (PSA) is a protein produced exclusively by prostate cells. There is a simple blood test to measure your PSA level and this may help
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Assessment of factors associated with PSA level in prostate cancer cases and controls from three geographical regions | Scientific Reports
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Beyond the biomarker role: prostate-specific antigen (PSA) in the prostate cancer microenvironment | SpringerLink
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