Colorectal neoplasia screening before age 50? Current epidemiologic trends in the United States: agency for healthcare research and quality data.
Cooley EK, McPhee JT, Simons JP, Sweeney WB, Tseng JF, Alavi K. Colorectal neoplasia screening before age 50? Current epidemiologic trends in the United States: agency for healthcare research and quality data. Dis Colon Rectum. 2012 Sep; 55(9):e333.