Reversal of Roux-en-Y anatomy via gastrogastric anastomosis and sleeve gastrectomy for refractory early dumping syndrome: a case report. - Qi, Tengfei; Ma, Haiyong; Dai, Xiaojiang; Wang, Longying; He, Jipei; Liu, Xiaochen; Wu, Liangping; Zhang, Hongbin (Journal of Surgical Case Reports, 2025)