@misc{indiciae05211cc7115c,
  title = {Progressive systemic sclerosis complicated by diffuse pulmonary haemorrhage.},
  author = {J Kallenbach and I Prinsloo and S Zwi},
  year = {1977},
  doi = {10.1136/thx.32.6.767},
  url = {https://pubmed.ncbi.nlm.nih.gov/601743/},
  note = {Source identifier: 601743}
}