@misc{indiciae05dd481c03ab,
  title = {Intertest variability and the air-bone gap.},
  author = {G A Studebaker},
  year = {1967},
  doi = {10.1044/jshd.3201.82},
  url = {https://pubmed.ncbi.nlm.nih.gov/6017931/},
  note = {Source identifier: 6017931}
}