@misc{indiciaef757b60fdd2e,
  title = {[Attention-deficit/hyperactivity disorder and substance abuse].},
  author = {Eugen Davids and Markus Gastpar},
  year = {2003},
  doi = {10.1055/s-2003-39496},
  url = {https://pubmed.ncbi.nlm.nih.gov/12768521/},
  note = {Source identifier: 12768521}
}