@misc{indiciae689836617578,
  title = {[Initial experience in using variation pulsometry in chronic nonspecific lung diseases].},
  author = {V N Molotkov and O P Mintser and L A Iashina and B N Ugarov and A I Spitkovskiĭ},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7444794/},
  note = {Source identifier: 7444794}
}