Polymorphism at codon 31 of CDKN1A (p21) as a predictive factor for bevacizumab therapy in glioblastoma multiforme - Wen-Yu Cheng; Chiung-Chyi Shen; Yea-Jiuen Liang; Ming-Tsang Chiao; Yi-Chin Yang; Wan-Yu Hsieh; Cheng-Hui Lin; Jun-Peng Chen (BMC Cancer, 2023)