Yousif, Emad, Alaa Jawad, Ali Hammed, Hadeel Adil, Amir Hasan, Zyad Al-Qaisi, and Amamer Redwan. 2017. “Study the Level and the Fluctuation of Induced Nitric Oxide Synthase in Iraqi Patients With Hypertension”. Journal of Progressive Research in Chemistry 4 (3), 189-93. http://scitecresearch.com/journals/index.php/jprc/article/view/1115.