Bahir A-R. Retinal effects of Sildenafil in diabetic patients. JFacMedBagdad [Internet]. 2008 Apr. 1 [cited 2024 May 4];50(1):63-7. Available from: https://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1303