1. Campi A, Ramzi N, Molyneux AJ, Summers PE, Kerr RS, Sneade M, Yarnold JA, Rischmiller J, Byrne JV (2007) Retreatment of ruptured cerebral aneurysms in patients randomized by coiling or clipping in the International Subarachnoid Aneurysm Trial (ISAT). Stroke 38:1538–1544
2. Gonzalez N, Murayama Y, Nien YL, Martin N, Frazee J, Duckwiler G, Jahan R, Gobin YP, Vinuela F (2004) Treatment of unruptured aneurysms with GDCs: clinical experience with 247 aneurysms. AJNR Am J Neuroradiol 25:577–583
3. Jayaraman MV, Do HM, Versnick EJ, Steinberg GK, Marks MP (2007) Morphologic assessment of middle cerebral artery aneurysms for endovascular treatment. J Stroke Cerebrovasc Dis 16:52–56
4. Juvela S, Porras M, Poussa K (2000) Natural history of unruptured intracranial aneurysms: probability and risk factors for aneurysm rupture. Neurosurg Focus 8: Preview 1
5. Khaldi A, Fargen KM, Waldau B, Siddiqui AH, Hoh BL, Mack W, Carpenter J, Veznedaroglu E, Mocco J (2012) The orbit galaxy XTRASOFT coils: a multicenter study of coil safety and efficacy in both ruptured and unruptured cerebral aneurysms. J Vasc Interv Neurol 5:17–21