BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Editorial
Miriam Alvarez-Aguilera, Rosa M Jimenez-Rodriguez 
World J Meta-Anal 9(4):327-332. Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.327
Minireviews
Amit Arvind Agrawal 
World J Meta-Anal 9(4):333-341. Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.333
Systematic Reviews
Haleh Ashraf, Abbas Soleimani, Ali Kazemi saeid, Azadeh Sadat Naseri, Fazeleh Majidi, Niloufar Peirovi, Shahrokh Karbalai Saleh 
World J Meta-Anal 9(4):342-352. Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.342
Meta-Analysis
Shao-Chong Lin, Xin-Yue Wang, Xi-Ling Fu, Wen-Hui Yang, Han Wu, Yang Bai, Zhong-Na Shi, Jun-Peng Du, Bao-Jin Wang 
World J Meta-Anal 9(4):377-388. Published online Aug 28, 2021. doi: 10.13105/wjma.v9.i4.377
Scientometrics
Write to the Help Desk