@misc{indiciae4320acc9fb5f,
  title = {[Prothrombin level in peptic ulcer].},
  author = {M FUCIK and O GREGOR and K SOUKUPOVA},
  year = {1952},
  url = {https://pubmed.ncbi.nlm.nih.gov/13038444/},
  note = {Source identifier: 13038444}
}