Full Papers

The Bulgarian version of the Childhood Health Assessment Questionnaire (CHAQ) and the Child Health Questionnaire (CHQ)

D. Mihaylova, N. Ruperto, V. Kibarova, A. Teltcharova-Mihaylovska, D. Kalaikov, St. Stefanov, K. Lisichki, M. Bojidarova, for the Paediatric Rheumatology International Trials Organisation (PRINTO)