@misc{indiciaee1489081f990,
  title = {Screening for twin pregnancy detection.},
  author = {A Aberg and M Mägiste and H von Schenck and N O sjöberg and J Thorell},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/724714/},
  note = {Source identifier: 724714}
}