@misc{indiciae1eb8abee275c,
  title = {[Mucolytic therapy using N-acetylcysteine in chronic obstructive bronchitis].},
  author = {H Bürgi and J Regli},
  year = {1968},
  doi = {10.1055/s-0028-1110742},
  url = {https://pubmed.ncbi.nlm.nih.gov/4232003/},
  note = {Source identifier: 4232003}
}