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Held M, Castelein S, Bruins MF, Laubscher M, Dunn R, Keel M, Ahmad S, Hoppe S.Held M, et al. Among authors: ahmad s.Global Spine J. 2018 Feb;8(1):84-94. doi: 10.1177/2192568217707182. Epub 2017 Jun 2.Global Spine J. 2018.PMID: 29456919Free PMC article.Review.
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Albers CE, Schott PM, Ahmad SS, Benneker LM, Nieuwkamp N, Hoppe S.Albers CE, et al. Among authors: ahmad ss.Global Spine J. 2019 Aug;9(5):499-504. doi: 10.1177/2192568218803106. Epub 2018 Oct 15.Global Spine J. 2019.PMID: 31431872Free PMC article.