CD39 delineates chimeric antigen receptor regulatory T cell subsets with distinct cytotoxic & regulatory functions against human islets. - Wu X; Chen PI; Whitener RL; MacDougall MS; Coykendall VMN; Yan H; Kim YB; Harper W; Pathak S; Iliopoulou BP; Hestor A; Saunders DC; et al. (Frontiers in immunology, 2024)