Guidelines for the management of gastroenteropancreatic neuroendocrine (including carcinoid) tumours (NETs). by Ramage, J, Ahmed, A, Ardill, J, Bax, N, Breen, D, Caplin, M, Corrie, P, Davar, J, Davies, A, Lewington, V, Meyer, T, Newell-Price, J, Poston, G, Reed, N, Rockall, A, Steward, W, Thakker, R, Toubanakis, C, Valle, J, Verbeke, C, Grossman, AB