@misc{indiciae7d47cfd5a4fd,
  title = {[Spirography with infants].},
  author = {G J VAN WEERDEN and J C VIERZEN},
  year = {1955},
  url = {https://pubmed.ncbi.nlm.nih.gov/13287286/},
  note = {Source identifier: 13287286}
}