@misc{indiciaefef261f1a252,
  title = {Selective medicals at school entry.},
  author = {S Leff},
  year = {1993},
  doi = {10.1093/oxfordjournals.pubmed.a042800},
  url = {https://pubmed.ncbi.nlm.nih.gov/8471294/},
  note = {Source identifier: 8471294}
}