Roz, Luca Plasma DNA levels in spiral CT-detected and clinically detected lung cancer patients: a validation analysis. [electronic resource] - Lung cancer (Amsterdam, Netherlands) Nov 2009 - 270-1 p. digital Publication Type: Letter; Validation Study ISSN: 1872-8332 Standard No.: 10.1016/j.lungcan.2009.08.011 doi Subjects--Topical Terms: AgedDNA--bloodFemaleHumansLung Neoplasms--bloodMaleMiddle AgedTomography, Spiral Computed--methods