@misc{indiciae25c4d977226b,
  title = {Twin studies, heritability, and intelligence.},
  author = {M W Feldman and S P Otto},
  year = {1997},
  doi = {10.1126/science.278.5342.1383a},
  url = {https://pubmed.ncbi.nlm.nih.gov/9411755/},
  note = {Source identifier: 9411755}
}