Keywords = Breast Cancer, CD4+ T cells, T regulatory cells
High expression of the checkpoint molecule PD-1 on regulatory and helper CD4+ T cells in metastatic breast cancer patients with poor prognosis

Volume 4, Issue 1, April 2020, Pages 69-77

Mohamed Ahmed Esmail; Mohamed Attia; Sameh R Abd-Alaziz; Sabry El-Naggar; Mohamed Labib Salem