“Knowledge, Attitudes and Preventive Practices Toward COVID-19 Among Hypertensive and Diabetic Patients in Karachi: A Cross-Sectional Study: Research Article”. Pak-Euro Journal of Medical and Life Sciences 8, no. 3 (September 8, 2025): 511–516. Accessed May 11, 2026. https://readersinsight.net/index.php/PJMLS/article/view/3355.