MEASUREMENT OF DISEASE ACTIVITY LEVEL OVER TIME IN CHILDREN WITH JUVENILE IDIOPATHIC ARTHRITIS UNDER BIOLOGIC TREATMENT, USING THE JUVENILE DISEASE ACTIVITY SCORE HUNGARIAN DATA FROM THE JUVENILE IDIOPATHIC ARTHRITIS REGISTRY OF THE NATIONAL INSTITUTE OF RHEUMATOLOGY AND PHYSIOTHERAPY

Orban, Ilonka [Orbán, Ilonka (Reumatológia; cse...), szerző]; Sevcic, Krisztina; Kiss, Emese Virag; Poor, Gyula [Poór, Gyula (Reumatológia, ost...), szerző]