Sanchez-Ocana Ramon, Peñas-Herrero Irene, Santos-Santamarta Fernando, de la Serna-Higuera Carlos, Perez-Miranda Manuel
Gastroenterology Department, Hospital Universitario Rio Hortega, Valladolid, Spain.
Gastrointest Endosc. 2017 Jul;86(1):229. doi: 10.1016/j.gie.2017.03.023. Epub 2017 Mar 27.