World J Gastroenterol
February 2015
Aim: To access the efficacy of combination with amoxicillin and tetracycline for eradication of Helicobacter pylori (H. pylori), thus providing clinical practice guidelines.
Methods: PubMed, EMBASE, Cochrane Central Register of Controlled Trials, Science Citation Index, China National Knowledge Infrastructure, Wanfang, and Chinese Biomedical Literature databases and abstract books of major European, American, and Asian gastroenterological meetings were searched.
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi
June 2010
Objective: To investigate risk factors for the development of advanced schistosomiasis.
Methods: The case-control study was designed with a match of 1:1 and 1:2. Healthy persons and chronic schistosomiasis patients were used as control.