Potential biomarkers present in the urine of patients with systemic lupus erythematosus: An exploratory study in Colombian patients Yeimy Paola Trujillo; Alfonso Kerguelen; Sandra Amado; Santiago Bernal-Macías; Daniel Gerardo Fernández-Ávila; Alfonso Barreto-Prieto; Luz-Stella Rodríguez;

Sequential approach to interstitial lung disease: An autoimmune perspective Camila Borda Samper; Néstor Fabián Correa-González; Carlos Andrés Celis Preciado; Santiago Bernal-Macías; Juan Sebastián Sierra; Daniel G. Fernández-Ávila;

Granulomatosis with polyangiitis and skin ulcers mimicking pyoderma gangrenosum: A case report of a diagnostic challenge Linda Navarrete-Motta; Onaldo-José Barrios; Sebastián Gil-Tamayo; Daniela Saaibi; Juan M. Gutiérrez; Daniel G. Fernández-Ávila; Santiago Bernal-Macías; Jorge L. Rodríguez; María-Claudia Díaz;