8Influence of Helicobacter pylori infectoin and smoking on serum pepsinogen levels in gastric adenocarcinoma590-592
9Effects of different anticoagulants on blood coagulation during treatment of severe hepatitis with artificial liver593-595
10Effects of tibolone and cisapride on gastrointestinal motility in menopausal patients with functional dyspepsia596-598
12Noninvasive positive pressure ventilation for acute exacerbations of chronic obstructive pulmonary disease:effect and influencing factors601-602