APA (7th ed.) Zitazioa

Prostate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.

Chicago Style (17th ed.) Zitazioa

Prostate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.

MLA (9th ed.) Zitazioa

Prostate-Specific Antigen (PSA Test): Questions & Answers (2017). National Cancer Institute Member Services.

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