@article{cheng2014-23582750,
  author  = {Cheng, S. T. and Chow, P. K. and Song, Y. Q. and Yu, E. C. and Chan, A. C. and Lee, T. M. and Lam, J. H.},
  title   = {{Mental and physical activities delay cognitive decline in older persons with dementia}},
  journal = {The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry},
  year    = {2014},
  doi     = {10.1016/j.jagp.2013.01.060},
  pmid    = {23582750},
  url     = {https://doi.org/10.1016/j.jagp.2013.01.060}
}