@misc{indiciae71ed043d35cd,
  title = {Symposium on reading disability. 3. Severe reading difficulty: a community study.},
  author = {M M Clark},
  year = {1971},
  doi = {10.1111/j.2044-8279.1971.tb00652.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5547172/},
  note = {Source identifier: 5547172}
}