Spanish cross-cultural adaptation and psychometric validation of the graded chronic pain scale revised for fibromyalgia José Édgar Ferrández-Gómez, Mariano Gacto-Sánchez, Aitor Baño-Alcaraz

Translation and cross-cultural adaptation of the mSQUASH into Spanish Diego Benavent, Andrea Jochems, Dora Pascual-Salcedo, Gijs Jochems, Chamaida Plasencia-Rodríguez, Sofia Ramiro, Suzanne Arends, Anneke Spoorenberg, Alejandro Balsa, Victoria Navarro-Compán

Evaluation of patients with fibromyalgia. Comparative study of 4 Spanish versions of the Fibromyalgia Impact Questionnaire (FIQ) Joaquim Jordi Esteve Vives, Enrique Batlle Gualda