@misc{indiciaeb862c5875548,
  title = {The normal crying curve: what do we really know?},
  author = {R G Barr},
  year = {1990},
  doi = {10.1111/j.1469-8749.1990.tb16949.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2332126/},
  note = {Source identifier: 2332126}
}