Smyth, Elizabeth C, Tarazona, Noelia, Peckitt, Clare, Armstrong, Edward, Mansukhani, Sonia, Cunningham, David and Chau, Ian (2016) Exclusion of Gastrointestinal Cancer Patients With Prior Cancer From Clinical Trials: Is This Justified? Clinical colorectal cancer, 15 (2). e53-9. ISSN 1938-0674. This article is accessible to all HEFT staff and students via NICE journals and databases http://www.nice.org.uk/about/what-we-do/evidence-services/journals-and-databases by using their HEFT Athens login IDs