Peixoto Armando, Moutinho-Ribeiro Pedro, Macedo Guilherme
Gastroenterology Department, Centro Hospitalar de São João, Porto Medical School, University of Porto, Porto, Portugal.
J Gastrointestin Liver Dis. 2017 Jun;26(2):113. doi: 10.15403/jgld.2014.1121.262.pex.