T. V. Lymanets, G. S. Maslova, Y. O. Stadnik, I. O. Gusachenko, and O. L. Havlovskyi, “A clinical dilemma for treatment choice of extramedullary spinal plasmacytoma in patients with multiple myeloma: chemotherapy or surgery? A double-case clinical report”, Ukr Neurosurg J, vol. 32, no. 2, pp. 112–118, Jun. 2026.