@misc{indiciaecfbd4733f27f,
  title = {Haem and porphyria attacks.},
  author = {C A Pierach},
  year = {1989},
  doi = {10.1016/s0140-6736(89)90392-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2568536/},
  note = {Source identifier: 2568536}
}