@misc{indiciae9727df768b9f,
  title = {Meptazinol and morphine compared: a study using systolic time intervals.},
  author = {M de Rosayro and T E Healy and G K Morris},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7255508/},
  note = {Source identifier: 7255508}
}