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المؤلفون: Qinbo, Cai, Huafeng, Fu, Lele, Zhang, Minxuan, Shen, Shaoxiong, Yi, Rongman, Xie, Wentong, Lan, Wenqing, Dong, Xiaolian, Chen, Jie, Zhang, Xun, Hou, Yulong, He, Dongjie, Yang
المصدر: Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.