List of Articles Chronic diseases Open Access Article Abstract Page Full-Text 1 - Modeling and Analysis of the Impact of Cancer Costs on Economic Growth in Iran samira ghanbari Hossein Raghfar Open Access Article Abstract Page Full-Text 2 - 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 3 - Investigating the Effectiveness of Mindfulness Therapy on Psychological Well-Being and Reducing Pain Symptoms in Children with Chronic Diseases farangis demehri mahdiyeh azizi reyhane barghoun