@misc{indiciae60b644a4eb9a,
  title = {Changes in left ventricular ejection fraction during REM sleep and exercise in chronic obstructive pulmonary disease and sleep apnoea syndrome.},
  author = {P A Levy and C Guilleminault and D Fagret and J M Gaio and P Romand and C Bonnet and C M Pison and J E Wolf and B Paramelle},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1864350/},
  note = {Source identifier: 1864350}
}