Effect of Helicobacter pylori Eradication on Reflux Esophagitis Therapy: A Multi-center Randomized Control Study oleh Yan Xue, Li-Ya Zhou, San-Ren Lin, Xiao-Hua Hou, Zhao-Shen Li, Min-Hu Chen, Xiu-E Yan, Ling-Mei Meng, Jing Zhang, Jing-Jing Lu