NavGeneral InfoEmail Print Original or alternative title PLCO Provider National Cancer Institute (NCI) (United States)Microdata access: Request Geography United States of America (USA) Coverage type Country Time period covered 01/1993 - 12/2015 Data type Survey Keywords Alcohol use, Liver cancer, Tobacco smoking Citation Contributors National Cancer Institute (NCI) (United States) Funders National Cancer Institute (NCI) (United States) Suggested citation National Cancer Institute (NCI) (United States). United States - Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial 1993-2015. GHDx Entry last modified on: Sep 15, 2021