@misc{indiciaeaf98b1979ffc,
  title = {Hereditary prothrombin deficiency.},
  author = {H E Kattlove and S S Shapiro and M Spivack},
  year = {1970},
  doi = {10.1056/nejm197001082820202},
  url = {https://pubmed.ncbi.nlm.nih.gov/4982446/},
  note = {Source identifier: 4982446}
}