Results from a cross-sectional, observational study to assess inadequate pain relief in patients with knee and/or hip osteoarthritis in Mexico Ruben Burgos-Vargas; Jyoti Aggarwal; Kelly D. Johnson; Dena Ramey; Fidel Lozano; Cynthia Macahilig; Ishita Doshi; Kaan Tunceli;

Tophaceous gout in the lumbar spine causing radiculopathy Carolina Duarte-Salazar; Norma Marín-Arriaga; Lucio Ventura-Ríos; Armando Alpízar-Aguirre; Raúl Pichardo-Bahena; Aurelia Arellano Hernández;

Validation of a Spanish version of the Health Assessment Questionnaire-II to assess Mexican patients¿ physical function with rheumatoid arthritis Gabriel Horta-Baas;