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References
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Gadjradj, P.S., Sommer, F. Letter to the Editor concerning "ProDisc–C versus anterior cervical discectomy and fusion for the surgical treatment of symptomatic cervical disc disease: two-year outcomes of Asian prospective randomized controlled multicentre study" by N. Kumar, et al. (Eur Spine J [2022]: doi: 10.1007/s00586-021–07055-0). Eur Spine J 31, 2448–2449 (2022). https://doi.org/10.1007/s00586-022-07265-0
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DOI: https://doi.org/10.1007/s00586-022-07265-0