Clinical and sociodemographic factors associated with lupus nephritis in Colombian patients: A cross-sectional study Juan C. Díaz-Coronado; Adriana Rojas-Villarraga; Deicy Hernandez-Parra; Laura Betancur-Vásquez; Jorge Lacouture-Fierro; Daniel Gonzalez-Hurtado; Juanita González-Arango; Laura Uribe-Arango; Maria C. Gaviria-Aguilar; Ricardo A. Pineda-Tamayo;

Hypertrophic pachymeningitis due to IgG4-related disease (RD-IgG4). A case report Paira Sergio; Reibaldi Alejandro; Froullet Cristian;

Aphthous stomatitis and laryngitis, another form of presentation of an IgG4-related disease? Silvia Suárez-Díaz; Faustino Núñez-Batalla; María Soledad Fernández-García; María Belén Fernández-Llana; Carmen Yllera-Gutiérrez; Luis Caminal-Montero;