The optimal extent of gastrectomy for middle-third gastric cancer: distal subtotal gastrectomy is superior to total gastrectomy in short-term effect without sacrificing long-term s... oleh Xin Ji, Yan Yan, Zhao-De Bu, Zi-Yu Li, Ai-Wen Wu, Lian-Hai Zhang, Xiao-Jiang Wu, Xiang-Long Zong, Shuang-Xi Li, Fei Shan, Zi-Yu Jia, Jia-Fu Ji