序贯疗法和7d三联法在幽门螺杆菌阳性胃溃疡治疗中的疗效比较
서관요법화7d삼련법재유문라간균양성위궤양치료중적료효비교
Effect Comparison of Sequential Therapy and Standard Triple Therapy in Treatment of Helicobacter Pylori Positive Patients with Gastric Ulcer