Association between severity of cervical central spinal stenosis and paraspinal muscle parameters in patients undergoing anterior cervical discectomy and fusion by T. Caffard, A. Arzani, B. Verna, L. Schönnagel, J. Zhu, H. Awan Malik, O. Dobrindt, T. Zippelius, A.P. Hughes

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Influence of metabolic bone status and nutritional status on patient reported outcomes: A prospective study of lumbar spinal fusion patients with 12-month follow-up by H. Haffer, G. Camino-Willhuber, T. Khakzad, L. Schönnagel, M. Müllner, E. Chiapparelli, T. Caffard, J. Zhu, J. Shue, M. Pumberger, F.P. Girardi, A.A. Sama, F.P. Cammisa, A.P. Hughes

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Seasonal variations of preoperative vitamin D deficiency and secondary hyperparathyroidism before lumbar fusion surgery by P. Köhli, J. Hambrecht, J. Zhu, E. Chiapparelli, A.E. Guven, K. Tsuchiya, E. Otto, L. Schönnagel, D. Jahn, J. Shue, M. Burkhard, M. Pumberger, A.A. Sama, F.P. Girardi, F.P. Cammisa, A.P. Hughes

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Should age cutoffs for bone quality screening be lower for patients undergoing lumbar fusion surgery? by P. Köhli, J. Hambrecht, J. Zhu, E. Chiapparelli, L. Schönnagel, A.E. Guven, R. Duculan, G. Evangelisti, J. Shue, K. Tsuchiya, M. Burkhard, M. Pumberger, C. Mancuso, A.A. Sama, F.P. Girardi, F.P. Cammisa, A.P. Hughes

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What are we missing? undetected low bone mineral density prior to lumbar fusion surgery by P. Köhli, J. Hambrecht, J. Zhu, E. Chiapparelli, L. Schönnagel, A.E. Guven, R. Duculan, E. Otto, A. Kienzle, G. Evangelisti, J. Shue, K. Tsuchiya, M. Burkhard, C. Mancuso, A.A. Sama, F.P. Girardi, F.P. Cammisa, A.P. Hughes

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