Efficacy of endoscopic intermuscular dissection vs. endoscopic submucosal dissection in treating rectal neuroendocrine tumors < 10 mm - Guang Yang; Jingsong Wang; Bo Li; Xiaolong Xian; Jianzhen Ren; Qiuping Qiu; Xiaoping Hong; Longbin Huang; Suhuan Liao; Silin Huang (Endoscopy International Open)