@misc{indiciae4506d9b22664,
  title = {[Multiple pregnancy. An increasing obstetric and pediatric problem].},
  author = {B Lindberg and I Kjellmer and M Wennergren and H Rydhström},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/8139345/},
  note = {Source identifier: 8139345}
}