@misc{indiciae10f54d2f8615,
  title = {Exploring the opioid system by gene knockout.},
  author = {Brigitte L Kieffer and Claire Gavériaux-Ruff},
  year = {2002},
  doi = {10.1016/s0301-0082(02)00008-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/12015197/},
  note = {Source identifier: 12015197}
}