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