Regional Injection of CAR-T Cells for the Treatment of Refractory and Recurrent Diffuse Large B Cell Lymphoma: A Case Report oleh Yan-Hui Wei, Yu-Zhuo He, Xiao-Yan Lin, Fu-Xian Ren, Hong-Bin Zhu, Ying Cheng, Zhen Nan, Zheng-Biao Liu, Jing-Ya Yu, Xue-Jun Guo