“Comorbidity Burden and Functional Impairment in Chronic Heart Failure: Mapping the Link to NYHA Class in Outpatient Care”. Integrative Perspectives of Social and Science Journal 3, no. 07 Juli (July 16, 2026): 862–872. Accessed October 21, 2026. https://ipssj.com/index.php/ojs/article/view/1766.