1Risk factor analysis of catheter-related infection in elderly hemodialysis patients496-4982Study on the correlation between AT1R gene A1166C polymorphism and primary hypertension in Han,Li and Mongolian499-5023Effects of ambrisentan on vascular morphology of autologous vein graft in New Zealand rabbits507-5104Comparative analysis of body fat distribution in adults at different levels of blood glucose metabolism511-5135The application of epalrestat in the protection of MDA,SOD,TAC and endothelial function in early diabetic retinopathyJi Zhishang, Wu Qian, Liu Xiuying514-5176The influence of ADL training mode on upper limb motor function and daily life activities of the patients with stroke in the ward518-5207Efficacy of pulsed radiofrequency of the C2 dorsal root ganglion and nerve block for cervicogenic headache521-5248Related risk factors for the prognosis of patients with spontaneous cerebral hemorrhage525-5279Analysis of Th1/Th2 cytokine levels and risk factors in bronchial asthma patients with senile tuberculosis in Qingdao area528-53010Clinical observation on effect of early pulmonary rehabilitation intervention in elderly patients with acute exacerbation of chronic obstructive pulmonary disease531-53411Clinical report of diffuse parenchymal lung disease:70 cases535-53812Clinical observation on the treatment of severe pulmonary infection with bronchoscopic sputum aspiration and lavage combined with antibiotics539-54113Study on the correlation between helicobacter pylori infection and reflux esophagitis in the elderlySun Bin, Wang Sheng, Zhang Limin542-54414Effects of total laparoscopic radical gastrectomy via external omental bursa approach on perioperative indexes,gastrointestinal function recovery and complications of patients545-54815Injury status and risk factors of DVT formation in elderly patients with traumatic fractureZou Yue, Zhao Xin549-55116Comparison of two approaches to total hip arthroplasty in patients with early observation of efficacy and muscle tissue injurySun Zhengyang, Hao Yuedong552-555 