Rehfeld, J. F., Bardram, L., Blanke, S., Cantor, P., Friis-Hansen, L., Hilsted, L., … Ørskov, C. (1991). The Expression OF Peptide Hormones in Normal Cells and Tumour Cells. Acta Oncologica, 30(4), 429–433. https://doi.org/10.3109/02841869109092397