Frequency of ANA and ANA/DFS70 in patients diagnosed with psoriasis compared with healthy population and its association with disease severity Daniela Marín-Acevedo; Omar-Javier Calixto; Luis A. Castro; Julio Amador; Pedro López; Diana Acero-Molina; Consuelo Romero-Sánchez;

Clinical and serological predictors of neuropsychiatric manifestations in patients with systemic lupus erythematosus Pedro Arbey Quevedo Mayorga; Jaime Andrés Robayo Mesa; Cristhian Camilo Guzmán Gualteros; Paola Andrea Pérez Benjumea;

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;