@misc{indiciae1d289a71174c,
  title = {Flavins in a solid matrix.},
  author = {G R Penzer and G K Radda},
  year = {1967},
  doi = {10.1038/213251a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6030600/},
  note = {Source identifier: 6030600}
}