Transanal versus laparoscopic total mesorectal excision for mid and low rectal cancer: a meta-analysis of short-term outcomes - Dezheng Lin; Zhaoliang Yu; Wenpei Chen; Jiancong Hu; Xuming Huang; Zhen He; Yi-feng Zou; Xiangan Yu; Xuefeng Guo; Xiao-jian Wu (Videosurgery and Other Miniinvasive Techniques)