A population-based, retrospective, cohort study of esophageal cancer missed at endoscopy.

Chadwick G, Groene O, Hoare J, Hardwick RH, Riley S, Crosby TD, Hanna GB, Cromwell DA. Endoscopy. 2014 Jul;46(7):553-60. doi: 10.1055/s-0034-1365646. Epub 2014 Jun 27.

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