TY JOUR TI MODERN JUVENILE IDIOPATHIC ARTHRITIS THERAPY OF WITH THE USE OF BIOLOGICAL MEDICATIONS IN A REGIONAL CHILDREN”S 3 LEVEL HOSPITAL - RESULTS AND PROBLEMS KW juvenile idiopathic arthritis KW genetically engineered biological drugs KW adverse events JO Acta biomedica scientifica AU Matyunova, A.E. AU Bregel, L.V. PY 2018 IS 2 PB Scientific Center for Family Problems and Human Reproduction