M. A. Al-Rikaby, K. J. Al – Shamma, I. A. Majeed, and S. SH.Hamondi, “Possible Augmentive Effect of Antioxidant Vitamin C in Patients with Essential Hypertension Treated with Amlodipin or Enalapril”, Iraqi Journal of Pharmaceutical Sciences , vol. 20, no. 1, pp. 50–56, Mar. 2017, doi: 10.31351/vol20iss1pp50-56.