1. Konovalov AN, Mahmudov UB, Kadashev BA, Cherekaev VA, Tanjashin SV, Shimanskij VN, Trunin YuK, Muhamedzhanov DZh, Spallone A, Shkarubo AN, Ivanov SL, Usachev DYu, Vinokurov AG. Surgery of the base of the skull. Zh Vopr Neirokhir Im N N Burdenko. 1998;4:3-9. (In Russ.)
2. Konovalov AN, Sidorkin DV, Shkarubo AN, Usachev DYu, Mahmudov UB. Hordomy osnovanija cherepa i kraniovertebral'nogo perehoda. M. 2014. (In Russ.)
3. Couldwell WT, Weiss MH, Rabb C, Liu JK, Apfelbaum RI, Fukushima T. Variations on the standard transsphenoidal approach to the sellar region, with emphasis on the extended approaches and parasellar approaches: surgical experience in 105 cases. Neurosurgery. 2004;55:539-550.
4. Sidorkin DV, Konovalov AN, Mahmudov UB, Shkarubo AN, Usachev DYu, Shimanskij VN. Surgical treatment of skull base chordomas. Zh Vopr Neirokhir Im N N Burdenko. 2009;2:15-22, discussion 22. (In Russ.)
5. Sidorkin DV, Konovalov AN, Mahmudov UB, Usachev DYu, Shkarubo AN, Shimanskij VN. Topographic variants of cranial chordomas. Zh Vopr Neirokhir Im N.N. Burdenko. 2009 Jul‒Sep;(3):14-19; discussion 18. (In Russ.)