List of Articles Diagnosis and treatment Open Access Article Abstract Page Full-Text 1 - Trace Element Imbalance in Patients with Combined Digestive and Renal Pathology Complicated with COVID-19 Olexandr M. Naumenko Valentyna O. Moyseyenko 10.22034/jchr.2021.686477 Open Access Article Abstract Page Full-Text 2 - The Effectiveness of training based on diagnosis and reduce of reading disorder in students on burnout of teachers parvintaj sadraie katrin fekri