Morphological analysis of the pancreatic beta cells of diabetic female rats at different ages of life. Issue 4 (April 2015) - Gallego, F.Q.; Sinzato, Y.K.; Dallaqua, B.; Iessi, I.L.; Amorim, R.L.; Fonseca, C.E.; Calderon, I.M.P.; Rudge, M.V.C.; Damasceno, D.C.