@misc{indiciae62b779880b17,
  title = {Collagen injections.},
  author = {H Goepfert},
  year = {1991},
  doi = {10.1001/archotol.1991.01870220141026},
  url = {https://pubmed.ncbi.nlm.nih.gov/1781832/},
  note = {Source identifier: 1781832}
}