HiatoGast 1: an exploring, semiblinded trial establishing a new endoscopical categorisation of axial hiatal hernias
Daniel Eckhardt, Matthias A Engel, Henriette Golcher, Christian Krautz, Robert Grützmann, Moustafa Elshafei
BMJ Open Gastroenterology Jun 2019, 6 (1) e000308; DOI: 10.1136/bmjgast-2019-000308