@misc{indiciaeaebc4ced3f35,
  title = {Variations on a theme.},
  author = {P Chiaravelli},
  year = {1990},
  doi = {10.14219/jada.archive.1990.0083},
  url = {https://pubmed.ncbi.nlm.nih.gov/2159495/},
  note = {Source identifier: 2159495}
}