Morais Rui, Ribeiro Armando, Paiva David, Rios Elisabete, Rodrigues Susana, Macedo Guilherme
Gastroenterology Department, Centro Hospitalar de São João, Porto, Portugal.
Porto Medical School, University of Porto, Portugal.
Porto Biomed J. 2017 Nov-Dec;2(6):344-346. doi: 10.1016/j.pbj.2017.04.007. Epub 2017 Jun 17.