Gad, A., M. Elmedames, A. Ramadan, A. Mohamed Marei, and H. Atia Abdel-Ghani. “Efficacy of Vitamin D Supplementation on Adult Patients With Non-Alcoholic Fatty Liver Disease: A Single-Center Experience”. Gastroenterology and Hepatology from Bed to Bench, vol. 14, no. 1, Jan. 2021, pp. 44-52, doi:10.22037/ghfbb.v14i1.1986.