@misc{indiciae14bc57113be0,
  title = {Preterm infants' manipulative exploration of objects.},
  author = {H A Ruff and C McCarton and D Kurtzberg and H G Vaughan},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6488951/},
  note = {Source identifier: 6488951}
}