@misc{indiciae2cde26f33c2b,
  title = {[Cross your heart].},
  author = {P Heintzen},
  year = {1999},
  doi = {10.1007/s003920050345},
  url = {https://pubmed.ncbi.nlm.nih.gov/10525931/},
  note = {Source identifier: 10525931}
}