@misc{indiciae5760e4851654,
  title = {[Therapy-resistant asthma--a distinct phenotype?].},
  author = {J Christian Virchow},
  year = {2006},
  doi = {10.1007/s00063-006-1038-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/16607486/},
  note = {Source identifier: 16607486}
}