Murine Regulatory CD4+ T Cells Are Increased in Leukemic Spleens and Show High Co-Expression of Co-Regulatory Molecules CD39, CD73, PD1, and TIGIT. - Krüger J; Wellbrock J; Witt M; Kruppa N; Muschhammer J; Bokemeyer C; Modemann F; Fiedler W; Behrmann L; Brauneck F (International journal of molecular sciences, 2024)