Imran Saeed Ali, et al. “Gender and Outcome Based Comparison of Comorbidities Among Decompensated Heart Failure Patients Visiting Cardiology Department of Benazir Bhutto Hospital, Rawalpindi”. Pakistan Journal of Medical Research, vol. 61, no. 3, Oct. 2022, pp. 107-12, https://pjmr.org.pk/index.php/pjmr/article/view/100.