Vera Karamfilova (2022) “Fibroblast Growth Factor 21 as a Marker of Prediabetes in Patients with Non-alcoholic Fatty Liver Disease”, Turkish Journal of Gastroenterology, 33(3), pp. 233–239. Available at: https://tjg.avesjournals.com/index.php/tjg/article/view/4204 (Accessed: 26 September 2025).