Salvage Therapy With Polatuzumab Vedotin, Bendamustine, and Rituximab Prior to Allogeneic Hematopoietic Transplantation in Patients With Aggressive Lymphomas Relapsing After Therapy With Chimeric Antigen Receptor T-Cells—Report on Two CasesKristin Gerhardt, Vladan Vučinić, Osama Sabri et al.|Frontiers in Oncology|2021Cited by 6