CD4 and leukemia: Melenhorst Melenhorst JJ JJ Chen Chen GM GM Wang Wang M M Porter Porter DL DL Chen Chen C C Collins Collins MA MA Decade-long leukaemia remissions with persistence of CD4+ CAR T cells Decade-long leukaemia remissions with persistence of CD4+ CAR T cells Nature Nature 2022 2022 602 602 7897 7897 503 503 509 509 10.1038/s41586-021-04390-6 10.1038/s41586-021-04390-6 supplied-pmid 35110735?