Luján, Marcos Extent of prostate-specific antigen contamination in the Spanish section of the European Randomized Study of Screening for Prostate Cancer (ERSPC). [electronic resource] - European urology Dec 2006 - 1234-40; discussion 1239-40 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0302-2838 Standard No.: 10.1016/j.eururo.2006.04.015 doi Subjects--Topical Terms: AgedBiomarkers, Tumor--bloodBiopsyHumansIncidenceMaleMass Screening--methodsMiddle AgedNeoplasm StagingPrognosisProstate-Specific Antigen--bloodProstatic Neoplasms--bloodSpain--epidemiologyTime Factors