Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) LEITER ER,Ultrastructural and morphometric studies of delta cells in pancreatic islets from C57BL/Ks diabetic mice,Diabetologia,,,1979,17,,297-309,https://cir.nii.ac.jp/crid/1570291225316948480,