@misc{indiciaec86156a38efc,
  title = {[Combined lung cancer and systemic scleroderma].},
  author = {L B Klempner and T M Preobrazhenskaia and V M Sotnikov},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1221990/},
  note = {Source identifier: 1221990}
}