Gouffon, M.; Iff, S.; Ziegler, K.; Larche, M.; Schwarzenbach, C.; Prior, J.; Matter, M.; Stettler, C.; Pralong, F. Diagnosis and Workup of 522 Consecutive Patients With Neuroendocrine Neoplasms in Switzerland. Swiss Med Wkly 2014, 144, w13924.