@misc{indiciae65b3ae5cc007,
  title = {Temperamental factors in human development.},
  author = {J Kagan and N Snidman},
  year = {1991},
  doi = {10.1037//0003-066x.46.8.856},
  url = {https://pubmed.ncbi.nlm.nih.gov/1928938/},
  note = {Source identifier: 1928938}
}