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Open-Access Journal
Editorial
Kivanc Atesok, Peter MacDonald, Jeff Leiter, James Dubberley, Richard Satava, Ann VanHeest, Shepard Hurwitz, J Lawrence Marsh 
World J Orthop 8(4):290-294. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.290
Ashok N Johari, Amit S Nemade 
World J Orthop 8(4):295-300. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.295
Therapeutic Advances
Markus Regauer, Gordon Mackay, Mirjam Lange, Christian Kammerlander, Wolfgang Böcker 
World J Orthop 8(4):301-309. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.301
Basic Study
Srinath Kamineni, Crystal R Norgren, Evan M Davidson, Ellora P Kamineni, Andrew S Deane 
World J Orthop 8(4):310-316. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.310
Case Control Study
Retrospective Study
Kevin Wong, Paul H Yi, Rohith Mohan, Kevin J Choo 
World J Orthop 8(4):329-335. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.329
Kazuhiro Hayashi, Masato Kako, Kentaro Suzuki, Keiko Hattori, Saori Fukuyasu, Koji Sato, Izumi Kadono, Tadahiro Sakai, Yukiharu Hasegawa, Yoshihiro Nishida 
World J Orthop 8(4):336-341. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.336
Clinical Trials Study
Max J Friedrich, Matthias D Wimmer, Jan Schmolders, Andreas C Strauss, Milena M Ploeger, Hendrik Kohlhof, Dieter C Wirtz, Sascha Gravius, Thomas M Randau 
World J Orthop 8(4):342-349. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.342
Observational Study
Benjamin S Kester, Philip M Carpenter, Hon J Yu, Taiki Nozaki, Yasuhito Kaneko, Hiroshi Yoshioka, Ran Schwarzkopf 
World J Orthop 8(4):350-356. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.350
Systematic Reviews
Sammy A Hanna, Sebastian Dawson-Bowling, Steven Millington, Rej Bhumbra, Pramod Achan 
World J Orthop 8(4):357-363. Published online Apr 18, 2017. doi: 10.5312/wjo.v8.i4.357
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