@misc{indiciaedc6825e77e9e,
  title = {The progressive breakdown of number processing and calculation ability: a case study.},
  author = {J Grafman and D Kampen and J Rosenberg and A M Salazar and F Boller},
  year = {1989},
  doi = {10.1016/s0010-9452(89)80012-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2706998/},
  note = {Source identifier: 2706998}
}