13 Dec 2024 Features of the course of chronic viral hepatitis B in old age old age; viral hepatitis B; features of the course; multimorbidity Rakhat Attokurova , Madis Arstanbekova , Aysezim Arstanbayeva , Baktygul Zhalilova , Gulmira Suranbayeva , Andrey Polupanov https://doi.org/10.54890/1694-8882-2024-5-31