@misc{indiciae05794d814153,
  title = {Patient controlled analgesia and GI dysfunction.},
  author = {K A Teter and G Viellion and E M Keating},
  doi = {10.1097/00006416-199007000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/2202954/},
  note = {Source identifier: 2202954}
}