TY - RPRT TI - Polyurethane real-size models used in planning complex spinal surgery. AU - M van Dijk AU - T H Smit AU - T U Jiya AU - P I Wuisman PY - 2001 DO - 10.1097/00007632-200109010-00020 UR - https://pubmed.ncbi.nlm.nih.gov/11568706/ ID - 11568706 ER -