We kindly remindsince January 2023 the journal Wiadomości Lekarskie Medical Advances is e-periodical (currently at PDF format).License: CC BY-NC-ND 4.0. ORIGINAL ARTICLES Oleg Y. Kanikovskyi, Yaroslav V. Karyi, Igor P. Dovgan, Al-Moutasem Bellah M. Al QatawnehCHARACTERIZATION OF STRUCTURAL DISORDERS OF THE LIVER DEPENDING ON THE DURATION OF SUBHEPATIC CHOLESTASIS IN PATIENTS OF DIFFERENT AGE GROUPS …