@misc{indiciae306bcfd46d17,
  title = {Methacholine bronchial hyperresponsiveness in chronic sinusitis.},
  author = {M Okayama and H Iijima and S Shimura and A Shimomura and K Ikeda and H Okayama and K Shirato},
  year = {1998},
  doi = {10.1159/000029313},
  url = {https://pubmed.ncbi.nlm.nih.gov/9817959/},
  note = {Source identifier: 9817959}
}