Shared epitope classification methods according to Gregersen and de Vries allow adequate characterization of patients with rheumatoid arthritis in a Colombian population Catalina María Arévalo-Caro; Consuelo Romero-Sánchez; Juan José Yunis-Londoño;

Clinical and demographic characterisation of the population with osteoporosis in two reference medical centres in Colombia Jose Fernando Molina; Carlos Enrique Toro; Humberto Reynales Londoño; Nubia Hernandez;

Validation of FACIT-fatigue in Spanish-speaking patients with rheumatoid arthritis Samantha Rodríguez-Muguruza; Sonia Castro; María José Poveda; Silvia Paredes; Delia Taverner; Oliver Valero; Ramon Fontova;