AUTHOR=LeGuern Christian , Markmann James F. TITLE=Regulatory CD4+ T cells: permanent or temporary suppressors of immunity JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1293892 DOI=10.3389/fimmu.2024.1293892 ISSN=1664-3224