A single-center, prospective, randomized clinical trial to investigate the optimal removal time of the urinary catheter after laparoscopic anterior resection of the rectum: study p... oleh Lai Xu, Zhi-Yan Tao, Jun-Yang Lu, Guan-Nan Zhang, Hui-Zhong Qiu, Bin Wu, Guo-Le Lin, Tao Xu, Yi Xiao