GOMES, Ana Catarina Ribeiro et al. Impact of the COVID-19 Pandemic on Gastroenterology Department Activity: The Gastroenterologist’s Perspective Nationwide and the Real Impact in a Portuguese Center. GE Port J Gastroenterol [online]. 2022, vol.29, n.3, pp.13-21.  Epub Jan 02, 2023. ISSN 2341-4545.