@misc{indiciae2a03afe81d09,
  title = {High-affinity enkephalin-degrading peptidase in brain is increased after morphine.},
  author = {B Malfroy and J P Swerts and A Guyon and B P Roques and J C Schwartz},
  year = {1978},
  doi = {10.1038/276523a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/214708/},
  note = {Source identifier: 214708}
}