X-ray-irradiated K562 feeder cells for expansion of functional CAR-T cells oleh Khac Cuong Bui, Viet Hoanh Ho, Hien Hanh Nguyen, Thanh Chung Dang, Thu Hang Ngo, Thi Mai Ly Nguyen, Linh Toan Nguyen, Thuy Linh Dang, Thanh Tung Tran, Quang Hoa Le, Hong Lam Pham, Van Ba Nguyen, Van Mao Can