@misc{indiciaeed0872a72fea,
  title = {[Practical course in audiometry. 3. Deafness in threshold audiometry].},
  author = {W Niemeyer},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5513835/},
  note = {Source identifier: 5513835}
}