@misc{indiciaee04f023d9f00,
  title = {Genetic factors in hyperactivity.},
  author = {A Barnicoat},
  year = {1989},
  doi = {10.1136/bmj.299.6690.56-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/2503220/},
  note = {Source identifier: 2503220}
}