@misc{indiciae939830db00be,
  title = {Dopamine dependent decrease in enkephalin and substance P levels in basal ganglia regions of postmortem parkinsonian brains.},
  author = {S P Sivam},
  year = {1991},
  doi = {10.1016/0143-4179(91)90148-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1711165/},
  note = {Source identifier: 1711165}
}