Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Elaine K. Perry and Robert H. Perry and Peter H. Gibson and Garry Blessed and Bernard E. Tomlinson,A cholinergic connection between normal aging and senile dementia in the human hippocampus,Neuroscience Letters,0304-3940,Elsevier BV,1977-10,6,1,85-89,https://cir.nii.ac.jp/crid/1361699995319096576,https://doi.org/10.1016/0304-3940(77)90070-2