@misc{indiciae51051cf7bb6c,
  title = {Pica: sorting it out.},
  author = {J S Boyle and M C Mackey},
  year = {1999},
  doi = {10.1177/104365969901000116},
  url = {https://pubmed.ncbi.nlm.nih.gov/10476154/},
  note = {Source identifier: 10476154}
}