Knowledge, Attitudes and Preventive Practices toward COVID-19 among Hypertensive and Diabetic Patients in Karachi: A Cross-Sectional Study: Research Article. Pak Euro. J. Med & LS [Internet]. 2025 Sep. 8 [cited 2026 May 11];8(3):511-6. Available from: https://readersinsight.net/index.php/PJMLS/article/view/3355