@misc{indiciae3a7936482e18,
  title = {Delayed motor development.},
  author = {P G Procopis},
  year = {1977},
  doi = {10.5694/j.1326-5377.1977.tb117650.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/71651/},
  note = {Source identifier: 71651}
}