1. Global cancer statistics, 2012;Li;CA Cancer J Clin,2011
2. Colorectal cancer statistics, 2014;Siegel;CA Cancer J Clin,2014
3. Cancer statistics, 2016;Siegel;CA Cancer J Clin,2016
4. Cancer statistics in China, 2015;Chen;CA Cancer J Clin,2016
5. Genetic variants associated with colorectal cancer risk: comprehensive research synopsis, meta-analysis, and epidemiological evidence;Ma;Lancet Oncol,2014