@article{copeland1976-996204,
  author  = {Copeland, J. R. M. and Kelleher, Michael and Kellett, J. M. and Gourlay, Annabelle J. and Gurland, Barry J. and Fleiss, Joseph L. and Sharpe, Lawrence},
  title   = {{A semi-structured clinical interview for the assessment of diagnosis and mental state in the elderly: the Geriatric Mental State Schedule: I. Development and reliability}},
  journal = {Psychological Medicine},
  year    = {1976},
  doi     = {10.1017/s0033291700015889},
  pmid    = {996204},
  url     = {https://doi.org/10.1017/s0033291700015889}
}