Comparison of adenoma detection in different colorectal segments between deep-sedated and unsedated colonoscopy oleh Yue Sui, Qing Wang, Hai-Hua Chen, Jun-Hui Lu, Qing Wen, Zhen-Zhen Wang, Guan-Feng Wang, Hui Jia, Tao Xiao, Na-Ping Wang, Jun-Lian Hao, Yi-Ping Zhang, Feng-Zhen Cao, Xiao-Peng Wu, Xing Chen