Falkmer, S., Rahier, J., Søvik, O., & Vidnes, J. (1981). Significance of argyrophil parenchymal cells in the pancreatic islets in persistent neonatal hypoglycemia with hyperinsulinism of familial type. Upsala Journal of Medical Sciences, 86(2), 111-117. https://hdl.handle.net/2078.5/85601 (Original work published 1981)