TY - GEN KW - Deutsches Krebsforschungszentrum (DKFZ) A1 - Guo, Feng UR - https://archiv.ub.uni-heidelberg.de/volltextserver/30430/ Y1 - 2021/// AV - public ID - heidok30430 TI - Effects of colorectal cancer screening on colorectal cancer incidence and mortality in Germany ER -