@misc{indiciaec34d3e564859,
  title = {Porphyrins.},
  author = {J E FALK},
  year = {1954},
  doi = {10.1093/oxfordjournals.bmb.a069423},
  url = {https://pubmed.ncbi.nlm.nih.gov/13199295/},
  note = {Source identifier: 13199295}
}