@misc{indiciaedff024cbaa44,
  title = {Two false-negative results using morphine sulfate in hepatobiliary imaging.},
  author = {J M Mack and J D Slavin and R P Spencer},
  year = {1989},
  doi = {10.1097/00003072-198902000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/2731399/},
  note = {Source identifier: 2731399}
}