@misc{indiciaeb658a1e71ff3,
  title = {Developmental surveillance.},
  author = {R S Illingworth},
  year = {1986},
  doi = {10.1016/s0140-6736(86)91186-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2871442/},
  note = {Source identifier: 2871442}
}