@misc{indiciae11ae0e54ea6a,
  title = {Positive versus negative schizophrenia and basic symptoms.},
  author = {V Peralta and M J Cuesta and J de Leon},
  doi = {10.1016/0010-440x(92)90031-k},
  url = {https://pubmed.ncbi.nlm.nih.gov/1591913/},
  note = {Source identifier: 1591913}
}