TY - JOUR TI - Ruptured Collateral Venous Aneurysm Associated with IVC Agenesis Resulting in a Massive Retroperitoneal Hematoma AU - Erok, B. AU - Win, N.N. AU - Önder, H. JO - European Archives of Medical Research PY - 2022 VL - 38 SP - 308 EP - 309 DO - 10.4274/eamr.galenos.2022.27879 ER -