Nomograms for predicting cancer-specific survival in patients with primary central nervous system lymphoma: a population-based analysis - Yang, Chuanwei; Ren, Xiaohui; Cui, Yong; Jiang, Haihui; Yu, Kefu; Li, Mingxiao; Zhao, Xuzhe; Zhu, Qinghui; Lin, Song (Annals of Translational Medicine; Vol 9, No 13 (July 14, 2021): Annals of Translational Medicine, 2021)