TY  - RPRT
TI  - A technique for computer-guided stereotaxis without preoperative head fixation.
AU  - C A Giller
AU  - P Purdy
DO  - 10.1016/0895-6111(90)90002-s
UR  - https://pubmed.ncbi.nlm.nih.gov/2200602/
ID  - 2200602
ER  -