@misc{indiciae4b793982d019,
  title = {Swedish early separated twins: identification and characterization.},
  author = {N L Pedersen and L Friberg and B Floderus-Myrhed and G E McClearn and R Plomin},
  year = {1984},
  doi = {10.1017/s0001566000007285},
  url = {https://pubmed.ncbi.nlm.nih.gov/6540957/},
  note = {Source identifier: 6540957}
}