@misc{indiciae752a78bf3921,
  title = {[Impaired lung function in patients with moderate chronic obstructive bronchitis].},
  author = {V B Nefedov and L A Popova and E A Shergina},
  year = {2004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15719666/},
  note = {Source identifier: 15719666}
}