Dzyak, L., Sirko, A., Zorin, M., Kirpa, I. and Kirpa, A. 2011. An experience of frameless stereotactic technique application for biopsy of brain supratentorial lesion. Ukrainian Neurosurgical Journal. 3 (Mar. 2011), 36–42. DOI:https://doi.org/10.25305/unj.57794.