@misc{indiciaeb19e25a4d68e,
  title = {[Refractoriness on repeated methacholine provocation test].},
  author = {W J Su and G M Shiao and S C Chang and R P Perng},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3048602/},
  note = {Source identifier: 3048602}
}