@misc{indiciae6a82eab9704d,
  title = {Age-specific competencies.},
  author = {J Spieker},
  year = {1997},
  doi = {10.1016/s0001-2092(06)63015-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/9012871/},
  note = {Source identifier: 9012871}
}