@misc{indiciae4124438f8f68,
  title = {Genetic factors in hyperactivity.},
  author = {R Goodman},
  year = {1989},
  doi = {10.1136/bmj.298.6685.1407},
  url = {https://pubmed.ncbi.nlm.nih.gov/2502271/},
  note = {Source identifier: 2502271}
}