@misc{indiciaeeb1687575be5,
  title = {Left ventricular function in chronic obstructive pulmonary disease.},
  author = {R G Kachel},
  year = {1978},
  doi = {10.1378/chest.74.3.286},
  url = {https://pubmed.ncbi.nlm.nih.gov/688786/},
  note = {Source identifier: 688786}
}