@misc{indiciae3251e9245c47,
  title = {Atrial contribution to ventricular function in the sitting position.},
  author = {B Befeler and L S Cohen and F J Hildner and R P Javier and O S Narula and P Samet},
  year = {1971},
  doi = {10.1378/chest.60.3.240},
  url = {https://pubmed.ncbi.nlm.nih.gov/5093255/},
  note = {Source identifier: 5093255}
}