Lener, Marcin R Serum Concentrations of Selenium and Copper in Patients Diagnosed with Pancreatic Cancer. [electronic resource] - Cancer research and treatment Jul 2016 - 1056-64 p. digital Publication Type: Comparative Study; Journal Article ISSN: 2005-9256 Standard No.: 10.4143/crt.2015.282 doi Subjects--Topical Terms: AdultAgedAged, 80 and overBiomarkers, Tumor--bloodCase-Control StudiesCopper--bloodDisease ProgressionEarly Detection of Cancer--methodsFemaleHumansIncidenceMaleMass Screening--methodsMiddle AgedPancreatic Neoplasms--bloodPoland--epidemiologyRetrospective StudiesRisk Assessment--methodsSelenium--bloodSpectrophotometry, AtomicSurvival Analysis