@misc{indiciaeb85bcd63299b,
  title = {Subtraction technique in encephalography. Preliminary report.},
  author = {G Ruggiero and M Mazzacurati},
  doi = {10.1097/00004424-196709000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/5299042/},
  note = {Source identifier: 5299042}
}