@misc{indiciae018d9e1048e9,
  title = {Tic disorders.},
  author = {H S Singer},
  year = {1993},
  doi = {10.3928/0090-4481-19930101-06},
  url = {https://pubmed.ncbi.nlm.nih.gov/8094240/},
  note = {Source identifier: 8094240}
}