Relevance of non-criteria antiphospholipid antibodies titers among patients with antiphospholipid syndrome and patients with systemic lupus erythematosus Tomás Urrego-Callejas; Alejandro Hernández; Sebastián Ruiz Giraldo; Beatriz Frade-Sosa; Adriana L. Vanegas-García; Carlos H. Muñoz; Carolina Rua; Julieta Duque Botero; Luis A. González; Gloria Vásquez; José A. Gómez-Puerta;

Survey to evaluate exposure to environmental factors in patients with rheumatoid arthritis Alexandra Zúñiga; Alba Luz León Álvarez; Luisa Carbal-Reyes; Daniel Rodríguez; Juan-Camilo Díaz; Gloria Vásquez; Diana Castaño;