@misc{indiciae043f9c9b540f,
  title = {[Constitutional hypoprothrombinemia].},
  author = {O Butenandt and R Marx and N Heimburger},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5377499/},
  note = {Source identifier: 5377499}
}