Validation of Rheumatoid Arthritis Quality of Life (RAQoL) Questionnaire into Portuguese Language

Duarte C; Fernandes F; Madeira N; Pinto P; Furtado C; Ribeiro C; Couto M; Santos-Faria D; Martins-Rocha T; Freitas R; Cunha R; Heaney A; McKena S; Pereira da Silva JA;