Validation of the HAQ-UP-A (Health Assessment Questionnaire-Upper Limbs-Argentine Version) in patients with rheumatoid arthritis Juan Manuel Bande; Silvia Beatriz Papasidero; María Alejandra Medina; María Julia Santa Cruz; Diana Silvia Klajn; José Angel Caracciolo; Julieta Giantinoto; Florencia Pelagagge; María Gabriela Battaglia;

Proposal for updating the Health Assessment Questionnaire Alejandro Muñoz; Wilson Bautista-Molano; Isabel Castrejón; Blanca Hernández-Cruz; José María Martín; Carmen Pinedo; Ana Urruticoechea; Loreto Carmona;

Distribution and characteristics of the certification of rheumatologists in Mexico Everardo Álvarez-Hernández; Eduardo Barreira-Mercado; Hilda E. Fragoso-Loyo; Cristina Hernández-Díaz; Blanca Mota-Mondragón; Sandra Muñoz-López; Mario Pérez-Cristóbal; Nadina Rubio-Pérez; Alfonso Torres-Jiménez; Angélica Vargas Guerrero; Mónica Vázquez del Mercado; Miguel Ángel Villarreal-Alarcón; César Pacheco-Tena; Deshiré Alpízar-Rodríguez;