Is whole-colon investigation by colonoscopy, computerised tomography colonography or barium enema necessary for all patients with colorectal cancer symptoms, and for which patients would flexible sigmoidoscopy suffice? A retrospective cohort study

Atkin, W ; Wooldrage, K ; Shah, U ; Skinner, K ; Brown, JP ; Hamilton, W ; Kralj-Hans, I ; Thompson, MR ; Flashman, KG ; Halligan, S ; Thomas-Gibson, S ; Vance, M ; Cross, AJ

Imperial College London 2017

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