Kollar, A., L. Bütikofer, A. Ochsenbein, C. Stettler, and R. Trepp. “Treatment Sequence in Patients With Neuroendocrine Tumours: A Nationwide Multicentre, Observational Analysis of the Swiss Neuroendocrine Tumour Registry”. Swiss Medical Weekly, vol. 150, no. 0102, Jan. 2020, p. w20176, doi:10.4414/smw.2020.20176.