Chimeric antigen receptor <i>T</i>‐cell therapy combined with autologous stem cell transplantation improved progression‐free survival of relapsed or refractory diffuse large <i>B</i>‐cell lymphoma patients: A single‐center, retrospective, cohort studyTao Wang, Jianmin Yang, Lei Gao et al.|Hematological Oncology|2022Cited by 20