BPG is committed to discovery and dissemination of knowledge
Welcome to the World Journal of Meta-Analysis

The World Journal of Meta-Analysis (WJMA) is an online, open-access, single-blind peer-reviewed journal that is published by Baishideng Publishing Group. Accepting both solicited and unsolicited manuscripts, the WJMA mainly publishes high quality meta-analysis and systematic review articles to lead the development of various fields of clinical medicine. The type of articles published in the WJMA include the editorial, minireview, review, meta-analysis, meta-regression, systematic review, and evidence-based practice. Submit here >> 


2019 Published Issues
3 2 1
  • Giuseppe Biondi-Zoccai, MD, MSc, Associate Professor, (E-mail: gbiondizoccai@gmail.com) Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina 04100, Italy

The WJMA is now abstracted and indexed in Emerging Sources Citation Index (Web of Science), China National Knowledge Infrastructure (CNKI), China Science and Technology Journal Database (CSTJ), and Superstar Journals Database.

Journal Metrics
There is currently no impact factor.
2308-3840 (online)
Reproducibility and replicability of systematic reviews 
Farhad Shokraneh 
World J Meta-Anal 7(3):66-71. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.66
Gastrointestinal stress ulcer prophylaxis in the intensive care unit, where is the data? 
Abbas Alshami, Sheily Vianney Barona, Joseph Varon, Salim Surani 
World J Meta-Anal 7(3):72-76. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.72
Prospects for immunotherapy as a novel therapeutic strategy against hepatocellular carcinoma 
Yu Akazawa, Toshihiro Suzuki, Toshiaki Yoshikawa, Shoichi Mizuno, Yasunari Nakamoto, Tetsuya Nakatsura 
World J Meta-Anal 7(3):80-95. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.80
Early immune response in post endoscopic retrograde cholangiopancreatography pancreatitis as a model for acute pancreatitis 
Ivana Plavsic, Ivana Zitinic, Vera Tulic, Goran Poropat, Marinko Marusic, Goran Hauser 
World J Meta-Anal 7(3):96-100. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.96
PD-1/PD-L1 antagonists in gastric cancer: Current studies and perspectives 
Jian Li, Xiao-Hong Zhang, Song-Hua Bei, Li Feng 
World J Meta-Anal 7(3):101-109. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.101
Higher dose of simethicone decreases colonic bubbles and increases prep tolerance and quality of bowel prep: Meta-analysis of randomized controlled trials 
Mohammad F Madhoun, Maham Hayat, Ijlal Akbar Ali 
World J Meta-Anal 7(3):110-119. Published online Mar 31, 2019. doi: 10.13105/wjma.v7.i3.110