@misc{indiciaef09e70bc572f,
  title = {Separated fraternal twins: resemblance for cognitive abilities.},
  author = {N L Pedersen and G E McClearn and R Plomin and L Friberg},
  year = {1985},
  doi = {10.1007/bf01070898},
  url = {https://pubmed.ncbi.nlm.nih.gov/4041180/},
  note = {Source identifier: 4041180}
}