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;

Impact of the COVID-19 pandemic on psychosocial health in rheumatic patients: A longitudinal study Laura Cano-García; Sara Manrique-Arija; Rocío Redondo-Rodríguez; Marta Vera-Ruiz; Jose Manuel Lisbona-Montañez; Arkaitz Mucientes-Ruiz; Aimara García-Studer; Fernando Ortiz-Marquez; Natalia Mena-Vázquez; Antonio Fernández-Nebro;

Epidemiology of systemic lupus erythematosus in Latin America Ivet Etchegaray-Morales; Claudia Mendoza-Pinto; Francisco Javier Arellano-Avendaño; Sandra Ibañez-Ovando; Pamela Munguía-Realpozo; Jacsiry Guadalupe Orbe-Sosa; Edith Ramírez-Lara; Mario García-Carrasco;