Effect of Intravenous Thrombolytic Dose of Alteplase on Long-Term Prognosis in Patients with Acute Ischemic Stroke oleh Mingfeng Zhai, Shugang Cao, Jinwei Yang, Xiaoyan Cao, Zhong Dong, Wanyin Liu, Yongzhan Fu, Qiyue Guan, Yu Wang, Hongbo Liu