@misc{indiciae1ae360693ed5,
  title = {Spinal morphine anesthesia and urinary retention.},
  author = {K T Mahan and J Wang},
  year = {1993},
  doi = {10.7547/87507315-83-11-607},
  url = {https://pubmed.ncbi.nlm.nih.gov/8258772/},
  note = {Source identifier: 8258772}
}