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Open-Access Journal
Editorial
Francesco Brigo, Stanley Chidi Igwe 
World J Meta-Anal 1(1):5-7. Published online May 26, 2013. doi: 10.13105/wjma.v1.i1.5
Minireview
Krishna Undela 
World J Meta-Anal 1(1):8-9. Published online May 26, 2013. doi: 10.13105/wjma.v1.i1.8
Meta-Analysis
Jonathan D Godfrey, Robert E Clark, Abhishek Choudhary, Imran Ashraf, Michelle L Matteson, Srinivas R Puli, Matthew L Bechtold 
World J Meta-Anal 1(1):10-15. Published online May 26, 2013. doi: 10.13105/wjma.v1.i1.10
Fumihito Sato, Masashi Sawamura, Miki Ojima, Keiko Tanaka, Takashi Hanioka, Hideo Tanaka, Keitaro Matsuo 
World J Meta-Anal 1(1):16-26. Published online May 26, 2013. doi: 10.13105/wjma.v1.i1.16
Hiroharu Kamioka, Kiichiro Tsutani, Minoru Yamada, Hyuntae Park, Hiroyasu Okuizumi, Takuya Honda, Shinpei Okada, Sang-Jun Park, Jun Kitayuguchi, Shuichi Handa, Yoshiteru Mutoh 
World J Meta-Anal 1(1):27-46. Published online May 26, 2013. doi: 10.13105/wjma.v1.i1.27