W. J. Lamberts, S., Reubi, J.-C. and P. Krenning, E. (1993) “Validation of Somatostatin Receptor Scintigraphy in the Localization of Neuroendocrine Tumors”, Acta Oncologica, 32(2), pp. 167–170. doi: 10.3109/02841869309083907.