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2. A silver nitrate stain for α2-cells in human pancreatic islets.;Grimelius;Acta Soc. Med. Upsaliensis.,1968
3. Über argyrophile Zellen.;Hamperl;Virch. Arch. path. Anat.,1952
4. Some aspects of silver impregnation of the islets of Langerhans in the rat.;Hellerström;Acta Endocr.,1960