@misc{indiciaee1a32cc2013f,
  title = {A study of the differentiated electromyogram.},
  author = {R D Fusfeld},
  year = {1972},
  doi = {10.1016/0013-4694(72)90214-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4116434/},
  note = {Source identifier: 4116434}
}