List of Articles Olexandr M. Naumenko Article 1 - Trace Element Imbalance in Patients with Combined Digestive and Renal Pathology Complicated with COVID-19 10.22034/jchr.2021.686477 Olexandr M. Naumenko Valentyna O. Moyseyenko Journal of Chemical Health Risks , Issue 5 , Year , Autumn 2021