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Open-Access Journal
Linkage of microbiota and osteoporosis: A mini literature review 
David Yatsonsky II, Karen Pan, Vithal B Shendge, Jiayong Liu, Nabil A Ebraheim 
World J Orthop 10(3):123-127. Published online Mar 18, 2019. doi: 10.5312/wjo.v10.i3.123
Retrospective Cohort Study
Short-term differences in anterior knee pain and clinical outcomes between rotating and fixed platform posterior stabilized total knee arthroplasty with a new femoral component design 
Marco Bigoni, Nicolò Zanchi, Marco Turati, Gabriele Pirovano, Giovanni Zatti, Daniele Munegato 
World J Orthop 10(3):128-136. Published online Mar 18, 2019. doi: 10.5312/wjo.v10.i3.128
Retrospective Study
Comparison of implant related complications amongst patients with opioid use disorder and non-users following total knee arthroplasty 
Rushabh M Vakharia, Karim G Sabeh, Ajit M Vakharia, Dhanur M Damodar, Tsun Yee Law, Martin W Roche 
World J Orthop 10(3):137-144. Published online Mar 18, 2019. doi: 10.5312/wjo.v10.i3.137
Systematic Review
Aetiology of Legg-Calvé-Perthes disease: A systematic review 
Vito Pavone, Emanuele Chisari, Andrea Vescio, Claudio Lizzio, Giuseppe Sessa, Gianluca Testa 
World J Orthop 10(3):145-165. Published online Mar 18, 2019. doi: 10.5312/wjo.v10.i3.145
Changing trends in the mortality rate at 1-year post hip fracture - a systematic review 
Colum Downey, Martin Kelly, John F Quinlan 
World J Orthop 10(3):166-175. Published online Mar 18, 2019. doi: 10.5312/wjo.v10.i3.166