@misc{indiciaea7d3a6c1be4d,
  title = {Comorbidity.},
  author = {A Angold and E J Costello and A Erkanli},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10102726/},
  note = {Source identifier: 10102726}
}