@misc{indiciae9fdcb029afef,
  title = {The Narcotrend Index: classification algorithm, correlation with propofol effect-site concentrations, and comparison with spectral parameters.},
  author = {A Schultz and U Grouven and F A Beger and B Schultz},
  year = {2004},
  doi = {10.1515/bmt.2004.008},
  url = {https://pubmed.ncbi.nlm.nih.gov/15106896/},
  note = {Source identifier: 15106896}
}