The mutations frequency of enhancer II/HBx regions of hepatitis B virus in acutely infected Iranian patients: a cross-sectional study - Karami, Chiman; Mollaei, Hamidreza; Arabzadeh, Seyed Alimohammad; Mazloum Jalali, Kamyar; Amerkani, Saman; Pashangzadeh, Salar; Nikpour, Najmeh (Iranian Journal of Microbiology, 2022)