@article{perry1977-144789,
  author  = {Perry, E. K. and Gibson, P. H. and Blessed, G. and Perry, R. H. and Tomlinson, B. E.},
  title   = {{Neurotransmitter enzyme abnormalities in senile dementia. Choline acetyltransferase and glutamic acid decarboxylase activities in necropsy brain tissue}},
  journal = {Journal of the neurological sciences},
  year    = {1977},
  doi     = {10.1016/0022-510x(77)90073-9},
  pmid    = {144789},
  url     = {https://doi.org/10.1016/0022-510x(77)90073-9}
}