@misc{indiciaeff0365de6a01,
  title = {[A method determining placental area].},
  author = {V M Astakhov and S N Pernakov and M Khaĭnrikh},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6660384/},
  note = {Source identifier: 6660384}
}