@misc{indiciaebbb2a2ce17f3,
  title = {Selection of controls.},
  author = {I Gale},
  year = {1991},
  doi = {10.1192/s0007125000141637},
  url = {https://pubmed.ncbi.nlm.nih.gov/1750913/},
  note = {Source identifier: 1750913}
}