Ferreira-Silva Joel, Morais Rui, Macedo Guilherme
Gastroenterology Department, Hospital de São João.
Gastroenterology Department, Hospital de São João; Faculty of Medicine of the University of Porto, Porto, Portugal.
Gastroenterology. 2020 Sep;159(3):847-848. doi: 10.1053/j.gastro.2020.02.044. Epub 2020 Mar 3.