@misc{indiciae30c49132503d,
  title = {Arithmetic disabilities and ADD subtypes: implications for DSM-IV.},
  author = {R M Marshall and V A Schafer and L O'Donnell and J Elliott and M L Handwerk},
  doi = {10.1177/002221949903200305},
  url = {https://pubmed.ncbi.nlm.nih.gov/15508243/},
  note = {Source identifier: 15508243}
}