Ravona-Springer R, Moshier E, Schmeidler J, Godbold J, Akrivos J, Rapp M, Grossman HT, Wysocki M, Silverman JM, Haroutunian V, Beeri MS. Changes in glycemic control are associated with changes in cognition in non-diabetic elderly. J Alzheimers Dis. 2012;30(2):299–309. PMID: 22426020; PMCID: PMC3586408.