@misc{indiciae38d5b2f52f09,
  title = {[Microbiological problems in chronic bronchitis syndrome].},
  author = {K BARTMANN and H J BRANDT},
  year = {1962},
  url = {https://pubmed.ncbi.nlm.nih.gov/13865455/},
  note = {Source identifier: 13865455}
}