Parra-Medina, R.; Echeverri, J.; Polo, J. F.; Carrillo, J. A. Atypical Presentation of Microscopic Polyangiitis With Renal, Pulmonary, Dermatological and Central Nervous System Involvement. Repert. Med. Cir. 2018, 27 (2). https://doi.org/10.31260/RepertMedCir.v27.n2.2018.184.