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Degulmadi, D. Answer to the letter to the editor of A. P. Patel concerning “Age- and sex-related changes in facet orientation and tropism in lower lumbar spine: an MRI study of 600 patients” by D. Degulmadi et al. (2019) Eur Spine J 28:961–966. Eur Spine J 29, 1464–1465 (2020). https://doi.org/10.1007/s00586-020-06414-7
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DOI: https://doi.org/10.1007/s00586-020-06414-7