@misc{indiciae0781a1ebd3ee,
  title = {[Effect on morphine and other opioids on immune function].},
  author = {G Ernst and P Pfaffenzeller},
  year = {1998},
  doi = {10.1007/s004829800019},
  url = {https://pubmed.ncbi.nlm.nih.gov/12799971/},
  note = {Source identifier: 12799971}
}