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Open-Access Journal
Editorial
Review
Minireviews
Deepak Ramanathan, Marcelo BP Siqueira, Alison K Klika, Carlos A Higuera, Wael K Barsoum, Michael J Joyce 
World J Orthop 6(11):919-926. Published online Dec 18, 2015. doi: 10.5312/wjo.v6.i11.919
Basic Study
Case Control Study
Paphon Sa-ngasoongsong, Noratep Kulachote, Norachart Sirisreetreerux, Pongsthorn Chanplakorn, Sukij Laohajaroensombat, Nithiwut Pinsiranon, Patarawan Woratanarat, Viroj Kawinwonggowit, Chanyut Suphachatwong, Wiwat Wajanavisit 
World J Orthop 6(11):970-976. Published online Dec 18, 2015. doi: 10.5312/wjo.v6.i11.970
Retrospective Cohort Study
Observational Study
Benjamin Blondel, Elke Viehweger, Bertrand Moal, Patrick Tropiano, Jean-Luc Jouve, Virginie Lafage, Raphael Dumas, Stéphane Fuentes, Gérard Bollini, Vincent Pomero 
World J Orthop 6(11):983-990. Published online Dec 18, 2015. doi: 10.5312/wjo.v6.i11.983
Prospective Study
Systematic Reviews