@misc{indiciae9ecf93e8f747,
  title = {Morphine a spasmolytic?},
  author = {J A Ross and J M Griffiths},
  year = {1970},
  doi = {10.1136/bmj.3.5714.107},
  url = {https://pubmed.ncbi.nlm.nih.gov/5428764/},
  note = {Source identifier: 5428764}
}