Risk of Aneurysm Residual Regrowth, Recurrence, and de Novo Aneurysm Formation After Microsurgical Clip Occlusion Based on Follow-up with Catheter Angiography. - Burkhardt, Jan-Karl; Chua, Michelle H.J.; Weiss, Miriam; Do, Angelique Sao-Mai S.; Winkler, Ethan A.; Lawton, Michael T. (World Neurosurgery, 2017)