@misc{indiciae2262cef285ea,
  title = {[Reliability of preoperative function tests for endothoracic operations].},
  author = {L Grabow and V Ehehalt},
  year = {1972},
  doi = {10.1007/bf02100540},
  url = {https://pubmed.ncbi.nlm.nih.gov/4641504/},
  note = {Source identifier: 4641504}
}