Omer Aziz Mirza, Zahoor Khan, Fareha Kashan Theba, Iftikhar Ahmed, Hira Riaz, Misdaq Batool, “Exercise Tolerance Test Examination for Determination of Obesity Paradox in Patients with Systolic Heart Failure. A Clinical Comparative Study”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 04, p. 797, May 2022.