@misc{indiciae1d066312dc8c,
  title = {Epidemiological issues in mental retardation.},
  author = {T Fryers},
  year = {1987},
  doi = {10.1111/j.1365-2788.1987.tb01382.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3325650/},
  note = {Source identifier: 3325650}
}