Necessity of transnasal gastroscopy in routine diagnostics: a patient-centred requirement analysis
Anna-Livia Schuldt, Holger Kirsten, Jan Tuennemann, Mario Heindl, Florian van Bommel, Juergen Feisthammel, Marcus Hollenbach, Albrecht Hoffmeister
BMJ Open Gastroenterology Apr 2019, 6 (1) e000264; DOI: 10.1136/bmjgast-2018-000264