Utility of urinary transferrin and ceruloplasmin in patients with systemic lupus erythematosus for differentiating patients with lupus nephritis Tomás Urrego; Blanca Ortiz-Reyes; Adriana L. Vanegas-García; Carlos H. Muñoz; Luis A. González; Gloria Vásquez; José A. Gómez-Puerta;

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;