@misc{indiciaedbe7b6cc74ed,
  title = {Headache.},
  author = {Sharon K Bal and Gary R Hollingworth},
  year = {2005},
  doi = {10.1136/bmj.330.7487.346},
  url = {https://pubmed.ncbi.nlm.nih.gov/15705692/},
  note = {Source identifier: 15705692}
}