@misc{indiciae7a838999a15d,
  title = {Experimental observations on headache.},
  author = {G W PICKERING},
  year = {1955},
  doi = {10.1159/000228231},
  url = {https://pubmed.ncbi.nlm.nih.gov/13306341/},
  note = {Source identifier: 13306341}
}