@article{eleni sarlani2003pain,
  title={Facial Pain as First Manifestation of Lung Cancer:  A Case of Lung Cancer-Related Cluster Headache and a Review of the Literature},
  author={eleni sarlani,anthony h. schwartz,joel d. greenspan,edward g. grace},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={17},
  number={3},
  pages={262--267},
  doi = {10.11607/jofph.17262},
  year={2003}
}