NoorafshanA., HoseiniL., Karbalay-DoustS., and NadimiE. “A Simple Stereological Method for Estimating the Number and the Volume of the Pancreatic Beta Cells”. JOP. Journal of the Pancreas, Vol. 13, no. 4, July 2012, pp. 427-32, doi:10.6092/1590-8577/802.