@misc{indiciae070d0021e921,
  title = {Variance components models for gene-environment interaction in twin analysis.},
  author = {Shaun Purcell},
  year = {2002},
  doi = {10.1375/136905202762342026},
  url = {https://pubmed.ncbi.nlm.nih.gov/12573187/},
  note = {Source identifier: 12573187}
}