Brunner, P., N. Sözer-Topcular, R. Jockers, R. Ravid, D. Angeloni, and F. Fraschini. “Pineal and Cortical Melatonin Receptors MT1 and MT2 Are Decreased in Alzheimer’s Disease”. European Journal of Histochemistry, vol. 50, no. 4, June 2009, pp. 311-6, doi:10.4081/1002.