Bermúdez, M., E. Lezama, A. Luchsinger, F. Contreras, M. A. De la Parte, and M. Velasco. “Influence of Age and Arterial Blood Pressure on the Anti-Hypertensive Action of Dihydro-Pyridine Compounds in Hypertensive Patients”. AVFT – Archivos Venezolanos De Farmacología Y Terapéutica, vol. 19, no. 2, Nov. 2014, http://saber.ucv.ve/ojs/index.php/rev_aavft/article/view/7717.