Wang Yin, Zhao Tai-Yun
Department of Gastroenterology The People's Hospital of Bozhou Bozhou China.
JGH Open. 2018 Jan 10;2(1):28-30. doi: 10.1002/jgh3.12033. eCollection 2018 Feb.
In this study, we first evaluated that all of the studies included were randomized controlled trials (RCTs). Second, the number of patients in the present meta-analysis is larger than before, so the conclusion is more convincing.