Protocol of End-PSCI trial: a multicenter, randomized controlled trial to evaluate the effects of DL-3-n-butylphthalide on delayed-onset post stroke cognitive impairment. - Liu, Ziyu; Lu, Wenhui; Gao, Ling; Guo, Xiaojuan; Liu, Jie; Gao, Fan; Huo, Kang; Wang, Jin; Qu, Qiumin (BMC Neurology, 2022)