@misc{indiciae86ad3827a293,
  title = {Natural selection on human twinning.},
  author = {V Lummaa and E Haukioja and R Lemmetyinen and M Pikkola},
  year = {1998},
  doi = {10.1038/28977},
  url = {https://pubmed.ncbi.nlm.nih.gov/9707112/},
  note = {Source identifier: 9707112}
}