Comparative efficacy of cisternal drainage versus external ventricular drainage in severe aneurysmal subarachnoid hemorrhage - Mahamat Hamid Mahamat; Tuo Li; Jun Liu; Shusheng Zhang; Ye Miao; Zhongzhen Li; Yadan Li; Hua Yan; Guobin Zhang; Xiaoguang Tong (PLoS ONE, 2026)