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://doi.org/10.3109/03009738109179217