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Open-Access Journal
Opinion Review
Ryoji Ichijima, Mitsuru Esaki, Sho Suzuki, Chika Kusano, Hisatomo Ikehara, Takuji Gotoda 
World J Meta-Anal 8(2):48-53. Published online Mar 28, 2020. doi: 10.13105/wjma.v8.i2.48
Review
Natália Oliveira e Silva, Breno Bittencourt de Brito, Filipe Antônio França da Silva, Maria Luísa Cordeiro Santos, Fabrício Freire de Melo 
World J Meta-Anal 8(2):54-66. Published online Apr 28, 2020. doi: 10.13105/wjma.v8.i2.54
Hatem Elalfy, Tarek Besheer, Dina Elhammady, Ahmed El Mesery, Shaker Wagih Shaltout, Mohamed Abd El-Maksoud, Ahmed I Amin, Ahmed Nasr Bekhit, Mahmoud Abd El Aziz, Mahmoud El-Bendary 
World J Meta-Anal 8(2):67-77. Published online Apr 28, 2020. doi: 10.13105/wjma.v8.i2.67
Jing-Jing Yin, Fu-Jiao Duan, Sailaja Vatsalya Madhurapantula, Yue-Hua Zhang, Gui He, Kun-Yan Wang, Xuan-Ke Ji, Kai-Juan Wang 
World J Meta-Anal 8(2):89-97. Published online Apr 28, 2020. doi: 10.13105/wjma.v8.i2.89
Ru-Jia Li, Yuan-Yuan Dai, Chun Qin, Xiao-Hua Li, Yan-Chun Qin, Yong Pan, Yong-Yi Huang, Zan-Song Huang, Yan-Qiang Huang 
World J Meta-Anal 8(2):98-108. Published online Apr 28, 2020. doi: 10.13105/wjma.v8.i2.98
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