@misc{indiciae84bf9fe2dfbd,
  title = {Statistical models for the twinning rate.},
  author = {J O Fellman and A W Eriksson},
  year = {1987},
  doi = {10.1017/s000156600000605x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3451642/},
  note = {Source identifier: 3451642}
}