Defect closure with endoscopic suturing improves endoscopic full-thickness resection of duodenal gastrointestinal stromal tumors - Chou, Chu-Kuang; Chen, Chien-Chuan; Tai, Chi-Ming; Tsai, Kun-Feng; Lee, Chung-Ying; Toh, Ding-Ek; Chen, Sheng-Shih (Endoscopy, 2023)