“Evaluation of CD4+, CD39+, FOXP3+Tregulatory Cells in Iraqi Alopecia Areata Patients by ELISA”. Journal of Pharmaceutical Negative Results 13 (October 10, 2022): 247–250. Accessed June 13, 2026. https://mail.pnrjournal.com/index.php/home/article/view/1785.