Thomas, DS; Gentry-Maharaj, A; Ryan, A; Fourkala, E-O; Apostolidou, S; Burnell, M; Alderton, W; ... Menon, U; + view all (2019) Colorectal cancer ascertainment through cancer registries, hospital episode statistics, and self-reporting compared to confirmation by clinician: A cohort study nested within the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS). Cancer Epidemiol , 58 pp. 167-174. 10.1016/j.canep.2018.11.011. Green open access