TY  - RPRT
TI  - A non-invasive patient registration and reference system for interactive intraoperative localization in intranasal sinus surgery.
AU  - R Hauser
AU  - B Westermann
AU  - R Probst
PY  - 1997
DO  - 10.1243/0954411971534458
UR  - https://pubmed.ncbi.nlm.nih.gov/9330544/
ID  - 9330544
ER  -