Effect of Rabeprazole and Rebamipide in the Treatment of Upper Gastrointestinal Hemorrhage Associated with Dual Antiplatelet Therapy in Elderly Patients with Coronary Heart Disease oleh Rong-Jie Jia MD, Xiao-Peng Wang MM, Zhen-Hua Zhang MM, Hai-Hong Cui MD, Rui Qin MM, Da-Yong Du MM, Yang Liu MD