@misc{indiciaec52010021d04,
  title = {Electroencephalographic changes during the post-operative period. A preliminary study.},
  author = {G Bona and A Kjellman and L E Larsson},
  year = {1972},
  doi = {10.1111/j.1365-2044.1972.tb08223.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5041075/},
  note = {Source identifier: 5041075}
}