Syed Harris Hussain , Syed Muarraf Hussain, Nadeem Ikram ,Yasmin Badshah ,Kashif Asghar 2017. Activity of Indoleamine 2, 3 Dioxygenase (IDO) in Type 2 Diabetes Mellitus Patients in Pakistan. Journal of Rawalpindi Medical College. 21, 2 (Jun. 2017).