Abstract
The normal cervical spine may appear abnormal due to several factors, namely: The complexity of the cervical vertebra, the normal variation, the superimposition of the adjacent vertebrae, and the superimposition of structures outside the spine such as the craniofacial and laryngeal structures.
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Kattan, K.R., Pais, M.J. Some borderlands of the cervical spine. Skeletal Radiol 8, 1–6 (1982). https://doi.org/10.1007/BF00361359
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DOI: https://doi.org/10.1007/BF00361359