TY - RPRT TI - Computer assisted pelvic surgery: registration based on a modified external fixator. AU - Tobias Hüfner AU - Jens Geerling AU - Maurício Kfuri AU - Axel Gänsslen AU - Musa Citak AU - Timm Kirchhoff AU - Andrea H Sott AU - Christian Krettek PY - 2003 DO - 10.3109/10929080309146053 UR - https://pubmed.ncbi.nlm.nih.gov/15360100/ ID - 15360100 ER -