@misc{indiciaea62086442493,
  title = {Aging and brain enzymes.},
  author = {E G McGeer and H C Fibiger and P L McGeer and V Wickson},
  year = {1971},
  doi = {10.1016/0531-5565(71)90018-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4400970/},
  note = {Source identifier: 4400970}
}