Stent-assisted coil embolization of ruptured vertebral artery dissected aneurysm with severe stenosis of bilateral vertebral artery V4 segment by the transmountain technique: a case report and review of the literatures - Hao, Guangzhi; Zhang, Zijun; Han, Yuwei; Huan, Yu; Dong, Yushu; Zhao, Haiyang; Liang, Guobiao (Frontiers in Surgery, 2025)