Systemic lupus erythematosus diagnosed during hospitalization: Greater baseline disease activity, short-term damage, and death Sabrina Porta; Romina Hassan; Valeria Aquino; Natalia Estrella; Marina Laura Micelli; Gabriel Sequeira; Eduardo Kerzberg;

Association between vitamin D deficiency and disease activity in Paraguayan patients with systemic lupus erythematosus Isabel Acosta-Colman; Zoilo Morel; Astrid Paats; Nelson Ortíz; Lourdes Román; Marcos Vázquez; Margarita Duarte; Gabriela Ávila-Pedretti; María Eugenia Acosta; María Teresa Martínez de Filártiga;

Characterization of patients under 18 years of age with lupus nephritis at the Pablo Tobón Uribe Hospital and at the San Vicente Fundación Hospital in the city of Medellín between 2008 and 2017 Lorena Quiñones-Ríos; Mayra Alejandra Estévez Capacho; Laura Fernanda Niño Serna; Lady Johana Hernández Zapata; Ruth María Eraso Garnica; Catalina Vélez Echeverri; Richard Baquero Rodríguez;