@misc{indiciae46994d1096f7,
  title = {Child development in a Swedish town.},
  author = {M Playfair},
  year = {1969},
  doi = {10.1111/j.1469-8749.1969.tb01531.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5366203/},
  note = {Source identifier: 5366203}
}