TY - JOUR TI - Retroperitoneal Extraskeletal Mesenchymal Chondrosarcoma: A Very Rare Case Report AU - Koç, M. AU - Özercan, M.R. JO - Journal of Clinical Practice and Research PY - 2016 VL - 38 SP - 115 EP - 118 DO - 10.5152/etd.2016.160012 ER -