@misc{indiciae17967bc45762,
  title = {Social class, defective hearing, and language.},
  author = {A P Van Den Horst and O W Kamstra},
  year = {1979},
  doi = {10.1016/0021-9924(79)90043-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/438361/},
  note = {Source identifier: 438361}
}