@misc{indiciaef0ff9dc7e215,
  title = {[Development patterns of chronic nonspecific lung diseases].},
  author = {N A Lifshits and G P Khlopotova and B I Ishchenko},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7206612/},
  note = {Source identifier: 7206612}
}