Gastroenterology services in the UK. The burden of disease, and the organisation and delivery of services for gastrointestinal and liver disorders: a review of the evidence
J G Williams, S E Roberts, M F Ali, W Y Cheung, D R Cohen, G Demery, A Edwards, M Greer, M D Hellier, H A Hutchings, B Ip, M F Longo, I T Russell, H A Snooks, J C Williams
Gut Feb 2007, 56 (suppl 1) 1-113; DOI: 10.1136/gut.2006.117598