@misc{indiciae6470569d24a4,
  title = {Severe vascular spasm due to erythromycin-ergotamine interaction.},
  author = {H Francis and A Tyndall and J Webb},
  year = {1984},
  doi = {10.1007/bf02030764},
  url = {https://pubmed.ncbi.nlm.nih.gov/6236021/},
  note = {Source identifier: 6236021}
}