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Open-Access Journal
Editorial
Jin-Lei Wang, Massimiliano Leigheb 
World J Orthop 12(2):56-60. Published online Feb 18, 2021. doi: 10.5312/wjo.v12.i2.56
Minireviews
Raden Andri Primadhi, Herry Herman 
World J Orthop 12(2):61-68. Published online Feb 18, 2021. doi: 10.5312/wjo.v12.i2.61
Clinical Trials Study
Viola Freigang, Johannes Weber, Karolina Mueller, Christian Pfeifer, Michael Worlicek, Volker Alt, Florian Michael Baumann 
World J Orthop 12(2):69-81. Published online Feb 18, 2021. doi: 10.5312/wjo.v12.i2.69
Observational Study
Eran Keltz, Doron Keshet, Eli Peled, Yoav Zvi, Doron Norman, Yaniv Keren 
World J Orthop 12(2):82-93. Published online Feb 18, 2021. doi: 10.5312/wjo.v12.i2.82
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