Manzoor, Waqas, Muhammad Tanveer Khalid, Shahid Karim, Hamid Ali Kalwar, Ghulam Mujtaba, and Asheen Faryal. 2022. “The Burden of Vitamin D Deficiency in Patients of Chronic Liver Disease”. Pakistan Armed Forces Medical Journal 72 (2):458-61. https://doi.org/10.51253/pafmj.v72i2.6520.