@misc{indiciaed7a32bd89be3,
  title = {Methacholine challenge: comparison of two methods.},
  author = {Donald W Cockcroft and Beth E Davis and David C Todd and Audrey J Smycniuk},
  year = {2005},
  doi = {10.1378/chest.127.3.839},
  url = {https://pubmed.ncbi.nlm.nih.gov/15764765/},
  note = {Source identifier: 15764765}
}