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Bhandari M, Sprague S, Schemitsch EH; International Hip Fracture Research Collaborative.Bhandari M, et al.J Orthop Trauma. 2009 Jul;23(6):479-84. doi: 10.1097/BOT.0b013e3181a772e3.J Orthop Trauma. 2009.PMID: 19550238Free PMC article.Review.