The learning curve to achieve satisfactory completion rates in upper GI endoscopy: an analysis of a national training database

Ward, S T ; Hancox, A ; Mohammed, M A ; Ismail, T ; Griffiths, E A ; Valori, R ; Dunckley, P

Gut, 2017-06, Vol.66 (6), p.1022-1033 [Periódico revisado por pares]

England: BMJ Publishing Group LTD

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