@misc{indiciae1cfb14cd8030,
  title = {Open lung biopsy in diffuse pulmonary disease.},
  author = {J Hasse and A Perruchoud and P Dalquen and H Herzog and Grädel},
  year = {1981},
  doi = {10.1007/bf02713893},
  url = {https://pubmed.ncbi.nlm.nih.gov/7218860/},
  note = {Source identifier: 7218860}
}