Calina, N. A., Filip, C., Serban, D., Podea, M., Zamfir, C., Checiu, G., Eduard, M. and Exergian, F. (2016) “Chordomas, malignant spinal tumors: A 15-year experience”, Romanian Neurosurgery, 30(1), pp. 15–27. Available at: https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/868 (Accessed: 17 June 2026).