@misc{indiciae11090114e5ee,
  title = {Impedance plethysmography: basic principles.},
  author = {J P Babu and G D Jindal and A C Bhuta and G B Parulkar},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2097369/},
  note = {Source identifier: 2097369}
}