@misc{indiciae871fdc8c633b,
  title = {Feverfew for preventing migraine.},
  author = {M H Pittler and E Ernst},
  year = {2004},
  doi = {10.1002/14651858.cd002286.pub2},
  url = {https://pubmed.ncbi.nlm.nih.gov/14973986/},
  note = {Source identifier: 14973986}
}