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, May 2022, p. 797, doi:10.53350/pjmhs22164797.