Fuentes-Valenzuela Esteban, de la Serna Higuera Carlos, Pérez-Miranda Manuel
Endoscopy Unit, Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, Spain.
Dig Endosc. 2021 May;33(4):670. doi: 10.1111/den.13958. Epub 2021 Mar 12.