@misc{indiciae1210e1d923d0,
  title = {Sublingual extension.},
  author = {R von Krammer},
  year = {1974},
  doi = {10.14219/jada.archive.1974.0138},
  url = {https://pubmed.ncbi.nlm.nih.gov/4590350/},
  note = {Source identifier: 4590350}
}