@misc{indiciaed8c7a6bf1b62,
  title = {Reliably separating identical from fraternal twins.},
  author = {D J Cohen and E Dibble and J M Grawe and W Pollin},
  year = {1975},
  doi = {10.1001/archpsyc.1975.01760290039004},
  url = {https://pubmed.ncbi.nlm.nih.gov/1239251/},
  note = {Source identifier: 1239251}
}