TY  - RPRT
TI  - A frameless stereotaxic operating microscope for neurosurgery.
AU  - E M Friets
AU  - J W Strohbehn
AU  - J F Hatch
AU  - D W Roberts
PY  - 1989
DO  - 10.1109/10.29455
UR  - https://pubmed.ncbi.nlm.nih.gov/2659493/
ID  - 2659493
ER  -