Hussain, T., L. Y. Shu, A. S. Adji, and T. Sosorburam. “Age Dependendent Efficacy of Ace Inhibitors Among Chinese Cardiovascular Patients During Hospitalization Phase”. Asian Journal of Medical Sciences, vol. 1, no. 2, Jan. 2011, pp. 59-63, doi:10.3126/ajms.v1i2.2947.