4Lovric D, Joho D, Mclone DG, et al. Evaluation of the use of the CO2 laser in 134 patients with expansive processes in the central nervous system. Acta Chirurgica Jugoslavica (Zagreb), 1989, 36:27-43.
5Walton PG, CNOR RB, Broughton C, et al. Transoral resection of spinal cord tumors and posterior cervical spine stabilization. AORN Jounal, 1997, 65: 48- 68.
6Schmidek HH, Sweet WH. Operative neurosurgical techniques,indications, methods, and results. 4th ed. W. B: Saunders Company, 2000.1874-1884.
7Herrmann HO, Neuss M, Winkler D. Intramedullary spinal cord tumors resected with CO2 laser microsurgical technique: recent experience in fifteen patients. Neurosurgery, 1988, 22:518 -522.
8Maira G, Amante P, Denaro L, et al. Surgical t reatment of cervical intramedullary spinal cord tumors [J]. Neurol Res, 2000, 23 (8) 835 - 842.