@misc{indiciae14c0c66f47fb,
  title = {Riboflavin flavoprotein from egg yolk. Analytical and biophysical data.},
  author = {W Ostrowski and Z Zak and A Krawczyk},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5750422/},
  note = {Source identifier: 5750422}
}