Functional status in severe juvenile idiopathic arthritis in the biologic treatment era: an assessment in a French paediatric rheumatology referral centre
Université Paris-Descartes and H?pital Necker-Enfants Malades, Assistance Publique H?pitaux de Paris, 149 rue de Sèvres, 75743 PARIS Cedex 15, France. sboiu@med.uoa.gr