Bernardo Sónia, Castro-Poças Fernando
Department of Gastrenterology, CUF Hospital and Santo António Hospital, Porto, Portugal; Institute of Biomedical Sciences Abel Salazar, University of Porto, Porto, Portugal.
Gastrointest Endosc. 2018 Oct;88(4):766-767. doi: 10.1016/j.gie.2018.06.009. Epub 2018 Jun 14.