Open-trial maintenance nortriptyline in geriatric depression: survival analysis and preliminary data on the use of REM latency as a predictor of recurrence.

@article{Reynolds1989OpentrialMN,
  title={Open-trial maintenance nortriptyline in geriatric depression: survival analysis and preliminary data on the use of REM latency as a predictor of recurrence.},
  author={Charles F. Reynolds and James M. Perel and Ellen Frank and Stanley D Imber and David Jerome Kupfer},
  journal={Psychopharmacology bulletin},
  year={1989},
  volume={25 1},
  pages={129-32}
}