@misc{indiciae7283ac6bd7e7,
  title = {Outside analysis of a multicenter collaborative study.},
  author = {R F Prien and D J Kupfer},
  year = {1989},
  doi = {10.1001/archpsyc.1989.01810050076012},
  url = {https://pubmed.ncbi.nlm.nih.gov/2496677/},
  note = {Source identifier: 2496677}
}