The safety and efficacy of double microcatheter technique in small and tiny ruptured aneurysms: A single center study. - Hyeong Kyun Shim; Byung Jou Lee; Chae Heuck Lee; Moon Jun Sohn; Sook Young Shim; Chan Young Choi; Sung Rok Han; Kwang Hyeon Kim; Hae Won Koo (Journal of Cerebrovascular & Endovascular Neurosurgery, 2024)