@misc{indiciae4d24914cccf0,
  title = {Headache and the EEG.},
  author = {R Giel and M de Vlieger and A G van Vliet},
  year = {1966},
  doi = {10.1016/0013-4694(66)90198-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4162708/},
  note = {Source identifier: 4162708}
}