@misc{indiciae72449ca45a3e,
  title = {Not a laughing matter [ letter].},
  author = {G Tisman and D Testa},
  year = {1979},
  doi = {10.14219/jada.archive.1979.0114},
  url = {https://pubmed.ncbi.nlm.nih.gov/285123/},
  note = {Source identifier: 285123}
}