@misc{indiciaea0a14c6740e2,
  title = {[Bioactive materials. A critical review].},
  author = {M Ungethüm and U Fink},
  year = {1988},
  doi = {10.1055/s-2008-1044511},
  url = {https://pubmed.ncbi.nlm.nih.gov/3072794/},
  note = {Source identifier: 3072794}
}