Tiensuu Janson, E.; Sorbye, H.; Welin, S.; Federspiel, B.; Grønbæk, H.; Hellman, P.; Ladekarl, M.; Langer, S. W.; Mortensen, J.; Schalin-Jäntti, C. Nordic Guidelines 2014 for Diagnosis and Treatment of Gastroenteropancreatic Neuroendocrine Neoplasms. AO 2014, 53, 1284-1297.