Table 7.

Top five references with the best centrality.

Rank	Centrality	Reference	First author (year)
1	0.16	Intranasal insulin therapy for Alzheimer disease and amnestic mild cognitive impairment: a pilot clinical trial	Craft S (2012) (35)
2	0.13	Mitochondrial damage in Alzheimer's disease varies with apolipoprotein E genotype	Gibson GE (2000) (36)
3	0.12	Accumulation of amyloid precursor protein in the mitochondrial import channels of human Alzheimer's disease brain is associated with mitochondrial dysfunction	Devi L (2006) (37)
4	0.12	Mitochondrial bioenergetic deficit precedes Alzheimer's pathology in female mouse model of Alzheimer's disease	Yao J (2009) (32)
5	0.11	Brain glucose metabolism in the early and specific diagnosis of Alzheimer's disease - FDG-PET studies in MCI and AD	Mosconi L (2005) (38)