Castorina, A., Giunta, S., Bucolo, C., Carnazza, M.L., Drago, F. and D’Agata, V. 2010. Expression of pituitary adenylate cyclase-activating peptide, vasoactive intestinal peptide and their receptors in diabetic rat retinas. Italian Journal of Anatomy and Embryology. 115, 1/2 (Nov. 2010), 32.