@misc{indiciae8973ba6de65b,
  title = {Opioid peptides and aging.},
  author = {J E Morley and J F Flood and A J Silver},
  year = {1990},
  doi = {10.1111/j.1749-6632.1990.tb48355.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2159741/},
  note = {Source identifier: 2159741}
}