Sanchez-Ocana Ramon, Penas-Herrero Irene, Gil-Simon Paula, de la Serna-Higuera Carlos, Perez-Miranda Manuel
Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, Spain.
VideoGIE. 2017 Oct 9;2(12):346-348. doi: 10.1016/j.vgie.2017.08.004. eCollection 2017 Dec.