2Husam. Al-Hraishawi2Jalal A. Al-Tuama1 ,. 2022. “Lack of Association Between PTPN22 1858 C>T Gene Polymorphism and Susceptibility to Generalized Vitiligo in a Iraqi Population”. Iraqi Journal of Biotechnology 21 (1). https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/455.