@misc{indiciae3ae5a1eb563e,
  title = {[Unsolved problems in the classification of bronchial asthma].},
  author = {P N Iurenev and N I Semenovich and A G Chuchalin},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5159915/},
  note = {Source identifier: 5159915}
}