@misc{indiciaef70ff2f25a4a,
  title = {Porphyria precipitated by fasting.},
  author = {K B Knudsen and M Sparberg and F Lecocq},
  year = {1967},
  doi = {10.1056/nejm196708172770706},
  url = {https://pubmed.ncbi.nlm.nih.gov/4378270/},
  note = {Source identifier: 4378270}
}