Fikret DEMİRCİ (2019) “Immunomodulatory effects of HBsAg vaccine and levamisole in chronic hepatitis B and hepatitis B carrier children”, Turkish Journal of Gastroenterology, 16(4), pp. 188–193. Available at: https://tjg.avesjournals.com/index.php/tjg/article/view/1991 (Accessed: 9 September 2025).