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Zahar A, Gehrke TA.Zahar A, et al.Orthop Clin North Am. 2016 Jan;47(1):11-8. doi: 10.1016/j.ocl.2015.08.004.Orthop Clin North Am. 2016.PMID: 26614916Review.
Bonanzinga T, Ferrari MC, Tanzi G, Vandenbulcke F, Zahar A, Marcacci M.Bonanzinga T, et al. Among authors: zahar a.EFORT Open Rev. 2019 Jan 23;4(1):10-13. doi: 10.1302/2058-5241.4.180029. eCollection 2019 Jan.EFORT Open Rev. 2019.PMID: 30800475Free PMC article.