@misc{indiciae95e433ab13bc,
  title = {Theophylline and school performance.},
  author = {T R DuHamel and C Furukawa},
  year = {1989},
  doi = {10.1001/archpedi.1989.02150230016003},
  url = {https://pubmed.ncbi.nlm.nih.gov/2816847/},
  note = {Source identifier: 2816847}
}