The feasibility of additional CD19‐targeted cellular therapy in relapsed/refractory B‐ALL with re‐emergence of CD19 antigen after prior CD19‐negative relapse. Issue 2 (4th December 2022) - Agrawal, Vaibhav; Salhotra, Amandeep; Song, Joo; Gu, Zhaohui; Stein, Anthony S.; Marcucci, Guido; Forman, Stephen J.; Pullarkat, Vinod; Aldoss, Ibrahim