Pseudo-obstruction, an infrequent Lupus manifestation: A case report Santiago Escalante-Pérez; Sebastián Guerra-Zarama; Andrés Chavarriaga-Restrepo; Andrés Echeverri-García; Javier Márquez-Hernández; Luis Fernando Pinto-Peñaranda;

Associated factors of antiphospholipid syndrome. When do we need antiphospholipid antibodies? Jaime Andrés Escobar Sáenz; Oscar Muñoz Velandia; Paula Ruiz Talero; Daniel Fernández Ávila;

Macrophage activation syndrome as a result of rheumatological diseases: Report of 4 cases Lina María Saldarriaga Rivera; Nicolás Sánchez-Ramírez; Laura Rodríguez-Conde; Diana Paola Tejedor-Restrepo;