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Editorial
Review
Vivek Gulati, Kelechi Eseonu, Junaid Sayani, Nizar Ismail, Chika Uzoigwe, Muhammed Zaki Choudhury, Pooja Gulati, Adeel Aqil, Saket Tibrewal 
World J Orthop 4(2):32-41. Published online Apr 18, 2013. doi: 10.5312/wjo.v4.i2.32
Minireviews
Michael Papadakis, Lianou Aggeliki, Elias C Papadopoulos, Federico P Girardi 
World J Orthop 4(2):62-66. Published online Apr 18, 2013. doi: 10.5312/wjo.v4.i2.62
Brief Article
Florian M Kovar, Manuela Jaindl, Gerhild Thalhammer, Schuster Rupert, Patrick Platzer, Georg Endler, Ines Vielgut, Florian Kutscha-Lissberg 
World J Orthop 4(2):80-84. Published online Apr 18, 2013. doi: 10.5312/wjo.v4.i2.80
Tomonori Baba, Katsuo Shitoto, Kazuo Kaneko 
World J Orthop 4(2):85-89. Published online Apr 18, 2013. doi: 10.5312/wjo.v4.i2.85
Case Report
Letters To The Editor