Wang YL, Zhang X, Mao JJ, Zhang WQ, Dong H, Zhang FP, Dong SH, Zhang WJ, Dai Y. Application of modified primary closure of the pelvic floor in laparoscopic extralevator abdominal perineal excision for low rectal cancer. World J Gastroenterol 2018; 24(30): 3440-3447 [PMID: 30122882 DOI: 10.3748/wjg.v24.i30.3440]