@misc{indiciaef3a03a122cee,
  title = {Bipolar high-frequency.},
  author = {M O Schurr and G Farin and H D Reidenbach},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8055300/},
  note = {Source identifier: 8055300}
}