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Editorial
Minireviews
Christiaan J A van Bergen, Annelies F van Bemmel, Tjarco D W Alta, Arthur van Noort 
World J Orthop 8(12):861-873. Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.861
Basic Study
Neil Ayron Caraan, Reinhard Windhager, Jason Webb, Nadine Zentgraf, Klaus-Dieter Kuehn 
World J Orthop 8(12):881-890. Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.881
Takafumi Hiranaka, Takaaki Fujishiro, Yuichi Hida, Yosaku Shibata, Masanori Tsubosaka, Yuta Nakanishi, Kenjiro Okimura, Harunobu Uemoto 
World J Orthop 8(12):891-894. Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.891
Case Control Study
Samuel Rosas, Alvin C Ong, Leonard T Buller, Karim G Sabeh, Tsun yee Law, Martin W Roche, Victor H Hernandez 
World J Orthop 8(12):895-901. Published online Dec 18, 2017. doi: 10.5312/wjo.v8.i12.895
Retrospective Cohort Study
Retrospective Study
Observational Study
Systematic Reviews
Case Report
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