Khazaal, Faris A. “Low Dose Tadalafil Effect on Anthropometric and Metabolic Parameters in Iraqi Diabetic Obese Men”. AL-Kindy College Medical Journal, vol. 10, no. 2, June 2014, pp. 94-98, https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/466.