Fuss P, Bal K, Jerzynska J, Podlecka D, Stelmach W, Stelmach I. Association between environmental exposure and CD4+CD25+ regulatory T cells. Allergol Immunopathol. 2019;47(1):43-46. Accessed June 22, 2026. https://www.all-imm.com/index.php/aei/article/view/348