@misc{indiciaef38bc9a44b75,
  title = {A playroom observational procedure for assessing hyperactive boys.},
  author = {M A Roberts and R S Ray and R J Roberts},
  year = {1984},
  doi = {10.1093/jpepsy/9.2.177},
  url = {https://pubmed.ncbi.nlm.nih.gov/6470901/},
  note = {Source identifier: 6470901}
}