@misc{indiciaeb14b5ba9b195,
  title = {Reduction in patient timing errors using a breath-activated metered dose inhaler.},
  author = {N B Hampson and M P Mueller},
  year = {1994},
  doi = {10.1378/chest.106.2.462},
  url = {https://pubmed.ncbi.nlm.nih.gov/7774321/},
  note = {Source identifier: 7774321}
}