@article{hiroshi dohgomori2007morning,
  title={Early morning upper airway discomfort and appearance on two X ray films},
  author={koji yamakawa,hiroshi dohgomori,takehiko furusawa },
  journal={Signa Vitae},
  volume={2},
  number={2},
  pages={21--22},
  doi = {10.22514/SV22.102007.5},
  year={2007}
}