Dzyak, L., A. Sirko, M. Zorin, I. Kirpa, and A. Kirpa. “An Experience of Frameless Stereotactic Technique Application for Biopsy of Brain Supratentorial Lesion”. Ukrainian Neurosurgical Journal, no. 3, Mar. 2011, pp. 36-42, doi:10.25305/unj.57794.