Zafar Abdul Nabi, Faroz Khan, Sassi Manzoor Hassan, Abdul Wahid, Waqar Azeem Taj, and Abdul Bari Baloch. “ VITAMIN D DEFICIENCY IN PATIENTS WITH CHRONIC LIVER DISEASE: A SINGLE CENTRE CROSS SECTIONAL STUDY”. Journal of Population Therapeutics and Clinical Pharmacology 31, no. 11 (December 25, 2024): 2353–2357. Accessed September 17, 2025. https://jptcp.com/index.php/jptcp/article/view/10172.