@article{chien2011-21308785,
  author  = {Chien, L. Y. and Chu, H. and Guo, J. L. and Liao, Y. M. and Chang, L. I. and Chen, C. H. and Chou, K. R.},
  title   = {{Caregiver support groups in patients with dementia: a meta-analysis}},
  journal = {International journal of geriatric psychiatry},
  year    = {2011},
  doi     = {10.1002/gps.2660},
  pmid    = {21308785},
  url     = {https://doi.org/10.1002/gps.2660}
}