@misc{indiciae69c971739aa1,
  title = {Physical training for babies.},
  author = {P J Nordenfelt},
  year = {1967},
  doi = {10.1111/j.1651-2227.1967.tb05252.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5587680/},
  note = {Source identifier: 5587680}
}