@misc{indiciaeeac7a85e6b3d,
  title = {Attention-deficit/hyperactivity disorder and comorbidity.},
  author = {T Spencer and J Biederman and T Wilens},
  year = {1999},
  doi = {10.1016/s0031-3955(05)70163-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/10570696/},
  note = {Source identifier: 10570696}
}