AUTHOR=Jin Xuelian , Liu Zhigang , Wu Yu , Ji Jie TITLE=Venetoclax in combination with chidamide and azacitidine for the treatment of relapsed/refractory B-cell acute lymphoblastic leukemia with the MLL-AF4 gene: a case report and literature review JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1475974 DOI=10.3389/fimmu.2024.1475974 ISSN=1664-3224