Utility of anti-C1q and anti-nucleosome antibodies in systemic lupus erythematosus and lupus nephritis in southwestern Colombia Tatiana Méndez-Rayo; Iván Posso-Osorio; Ivana Nieto-Aristizábal; Cristian C. Aragón; Juan Naranjo-Escobar; Ingrid Ruiz-Ordoñez; Alex Echeverri; Gloria L. Castaño; Carlos A. Cañas; Carmen M. Castillo; Gabriel J. Tobón;

Sjögren¿s syndrome: Epidemiology and clinical manifestations Carlos Andrés Reyes Jaraba; Nehomar Eduardo Pájaro Galvis; Oscar Vicente Vergara Serpa; Johan Yessid Conquett Huertas; Oscar Darío Echenique Torres; Alonso Cortina Gutiérrez; Diego Antonio Serna Otero; Diana Carolina Zapata Cerpa;

Characterization of the lipid profile in patients with primary Sjögren¿s syndrome Pedro Arbey Quevedo Mayorga; Javier Mauricio Mora Méndez; Jessica Andrea Cuervo Martínez; Henry Eduardo Amador Suárez;