@misc{indiciae34bf1bec3609,
  title = {Ayre's T-piece and pollution.},
  author = {B E Welsh},
  year = {1978},
  doi = {10.1093/bja/50.4.409-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/656261/},
  note = {Source identifier: 656261}
}