M. Sulaiman, Dlveen, et al. “Efficacy, Safety and Cardiovascular Disease Risk Lowering Ability of ACE Inhibitors, B-Blockers and Combination Antihypertensive Drug Regimes in Iraq”. Iraqi Journal of Pharmaceutical Sciences, vol. 22, no. 1, Mar. 2017, pp. 5-17, https://doi.org/10.31351/vol22iss1pp5-17.