@misc{indiciae427e5d65c679,
  title = {Hormonal changes in headache patients.},
  author = {O Elwan and M Abdella and A B el Bayad and S Hamdy},
  year = {1991},
  doi = {10.1016/0022-510x(91)90197-f},
  url = {https://pubmed.ncbi.nlm.nih.gov/1779242/},
  note = {Source identifier: 1779242}
}