@misc{indiciaeac871c908d91,
  title = {NORMAL VARIATIONS IN MASTOID STRUCTURE AND CLINICAL BONE CONDUCTION AUDIOMETRY.},
  author = {R E ROACH},
  year = {1964},
  url = {https://pubmed.ncbi.nlm.nih.gov/14193525/},
  note = {Source identifier: 14193525}
}