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  1. PSA Collectibles Authentication and Grading Service

    PSA is the industry leader in sports and hobby card grading as well as autograph and memorabilia authentication. Submit your collectibles for grading today!

  2. Palmetto State Armory: Firearms, Ammo, Parts and Optics

    PSA is your Trusted Online Headquarters for AR-15s, AK-47s, Handguns, Shotguns, Ammo, Optics, Parts and a lot more at incredible prices. Trust & Save Today!

  3. Prostate-Specific Antigen (PSA) Test - NCI

    Learn what a PSA test is, plus the limitations and potential harms of the test when used to screen for prostate cancer.

  4. Prostate-Specific Antigen: PSA Test and PSA Levels Explained

    Apr 5, 2024 · Cells in your prostate make a protein called prostate-specific antigen (PSA). A PSA blood test measures the amount of PSA you have circulating in your blood.

  5. The most common screening method is the prostate specific antigen (PSA) test, which measures PSA levels in your blood. PSA is a substance the prostate makes. Higher PSA levels can …

  6. PSA test - Mayo Clinic

    Apr 30, 2025 · The PSA test is a blood test used primarily to screen for prostate cancer. The test measures the amount of prostate-specific antigen (PSA) in your blood. PSA is a protein …

  7. PSA Group - Wikipedia

    PSA announced plans to enter the Indian, American, Canadian, Southeast Asian, and other markets in the coming years. Headquartered in Rueil-Malmaison, PSA, with sales of 3.88 …

  8. Prostate-Specific Antigen (PSA) Test: Purpose & Results

    Mar 21, 2024 · A PSA (prostate-specific antigen) test is a blood test that helps healthcare providers diagnose and manage prostate cancer. High PSA levels don’t mean you have …

  9. Prostate-Specific Antigen (PSA) Test - MedlinePlus

    A PSA test is a blood test that screens for prostate cancer. PSA is made by your prostate. High levels may mean cancer or other prostate conditions. Learn more.

  10. How Common Medications Affect PSA Levels - Verywell Health

    Dec 6, 2025 · Certain medications can affect PSA (prostate-specific antigen) levels, which are used to assess your prostate health, including testosterone and statins.