title: The ultrastructure of the human pancreatic islets. II. The islets of neonates.
mesh_terms: D000367:Age Factors; D003594:Cytoplasmic Granules; D006801:Humans; D007231:Infant, Newborn; D007515:Islets of Langerhans / Q000166:cytology*; D008854:Microscopy, Electron