Gaspar Rui, Andrade Patrícia, Ramalho Rosa, Santos-Antunes João, Macedo Guilherme
Gastroenterology Department, Centro Hospitalar São João, Faculty of Medicine of the University of Porto, Porto, Portugal.
Eur J Gastroenterol Hepatol. 2019 Jan;31(1):140. doi: 10.1097/MEG.0000000000001298.