@misc{indiciaee138c50ee6f2,
  title = {Tissue-specific antigens in human embryonic placenta.},
  author = {B A Botev and I R Kehayov and S D Kyurkchiev and M I Stamenova and T K Bratanova},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/71979/},
  note = {Source identifier: 71979}
}