Kuruvanich, A., E. Jitpun, and T. Tangviriyapaiboon. “Long-term Outcomes and Complications of Multilevel ACDF, Compared with Single-level ACDF, A Retrospective Study”. Thai Journal of Neurological Surgery, vol. 16, no. 4, Oct. 2025, pp. 103-12, https://he05.tci-thaijo.org/index.php/TJNS/article/view/6782.