@misc{indiciae0911853dc134,
  title = {Heteroxanthin in Euglena gracilis.},
  author = {H Nitsche},
  year = {1973},
  doi = {10.1007/bf00414517},
  url = {https://pubmed.ncbi.nlm.nih.gov/4196487/},
  note = {Source identifier: 4196487}
}