@misc{indiciaecff43463c4c3,
  title = {Infant mental development.},
  author = {P L Nichols and S H Broman},
  year = {1977},
  doi = {10.1007/bf01066804},
  url = {https://pubmed.ncbi.nlm.nih.gov/907603/},
  note = {Source identifier: 907603}
}