@misc{indiciae8ad8249b8a24,
  title = {Half-full or half-empty.},
  author = {Thomas C Hulsey},
  year = {2003},
  doi = {10.1038/sj.jp.7211016},
  url = {https://pubmed.ncbi.nlm.nih.gov/14647154/},
  note = {Source identifier: 14647154}
}