CYTOKINES-MEDIATED ANEMIA AND IRON DEFICIENCY ANEMIA IN PATIENTS WITH RHEUMATOID ARTHRITIS AS A RISK FACTOR FOR GASTROESOPHAGEAL REFLUX DISEASE. (2015). The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", 21, 46-49. https://periodicals.karazin.ua/medicine/article/view/6894