@misc{indiciaec483c6d06425,
  title = {Simplified technic for preparing blood group specific substance A.},
  author = {E B GERHEIM and M K BERKUT and J K GERHEIM},
  year = {1949},
  doi = {10.3181/00379727-72-17445},
  url = {https://pubmed.ncbi.nlm.nih.gov/15408346/},
  note = {Source identifier: 15408346}
}