@misc{indiciaef4b83a5e446f,
  title = {[Plasma morphine levels during its continuous epidural infusion].},
  author = {T Murakawa and S Baba and K I Isozaki and T Kudo and M Kudo and A Matsuki and T Oyama},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2810713/},
  note = {Source identifier: 2810713}
}