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;

A practical perspective on gastrointestinal manifestations of systemic lupus erythematosus Juan Camilo Santacruz; Marta Juliana Mantilla; Sandra Pulido; Ferney Africano; Carlos Alberto Agudelo; Rubén Darío Mantilla; Ángelo Arzuaga; John Londoño;