Sultana, S., Begum, S. and Ferdousi, S. (2016) “Effect of Losartan and Atenolol on heart rate variability in newly diagnosed essential hypertensive patient”, Bangabandhu Sheikh Mujib Medical University Journal, 6(2), pp. 161–167. doi: 10.3329/bsmmuj.v6i2.29135.