Hafeez, Rana Shahid, et al. “COMPARISON OF EFFICACY OF TELMISARTAN AND ATENOLOL IN MANAGEMENT OF ESSENTIAL HYPERTENSION: Management of Essential Hypertension”. Pakistan Armed Forces Medical Journal, vol. 68, no. 3, Oct. 2018, pp. 479-83, https://pafmj.org/PAFMJ/article/view/264.