Methodology: How to develop a case report or case series report Eybar A. Díaz Ibarra; Jorge A. Abella Pinzón; Yimy F. Medina;

Infection detection in patients with systemic lupus erythematosus using a hospital administrative database Adriana Beltrán-Ostos; Sergio Moreno; Daniela Vega-Hoyos; Alejandro Daza Lesmes; Oscar José Marriaga Calderón; Sebastián Daza Uribe; Juan Manuel Bello-Gualtero;

Diagnostic error as a scientific and ethical challenge in establishing the activity of rheumatoid arthritis Yimy F. Medina; Álvaro J. Ruiz;