Bastos, PPita, IFerreira, A2019-03-012019-03-012018-12GE Port J Gastroenterol. 2018 Dec;26(1):1-2.http://hdl.handle.net/10400.23/1315engCitodiagnósticoSistema BiliarColangiopancreatografia Retrógrada EndoscópicaHow to Brush Your Way into the Bile Ductjournal article10.1159/000487821