Is there an association between MBL2 gene polymorphisms and infection susceptibility in patients with systemic lupus erythematosus? An exploratory study in Mexican mestizos Miguel Ángel Villarreal-Alarcón; Jorge Antonio Esquivel-Valerio; David Vega-Morales; Jorge Armando Hermosillo-Villafranca; Rocío Ortiz-López; Augusto Rojas-Martínez; Ana Arana-Guajardo; Mario Alberto Garza-Elizondo; Berenice Carrillo-Haro; Alondra Elizabeh Montoya-Montes;

Association of anti-C1q antibodies, adiponectin and HLA II genotype in Colombian patients with systemic lupus erythematosus with lupus nephritis Sebastián Molina-Ríos; Gerardo Quintana-López; Gustavo Aroca; Eduardo Egea; Antonio Iglesias-Gamarra;

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;