Sajad Ahmad, Afzal Khan, Sadia Dilawer, Akhtar Zaman, Tahir Angez Khan, Javed Iqbal Khan. “Comparative Analysis of Zinc Levels in Patients With Chronic Leg Ulcers and Healthy Individuals: A Cross-Sectional Study”. Pakistan Journal of Medical & Health Sciences 17, no. 11 (November 30, 2023): 423. Accessed December 5, 2025. https://www.pjmhsonline.com/index.php/pjmhs/article/view/6639.