Santos-Antunes João, Peixoto Armando, Azevedo Fernando, Marques Margarida, Albuquerque Andreia, Macedo Guilherme
Gastroenterology Department, Faculty of Medicine, Centro Hospitalar de São João, Porto, Portugal.
GE Port J Gastroenterol. 2016 Jun 21;23(6):326-327. doi: 10.1016/j.jpge.2016.04.005. eCollection 2016 Nov-Dec.