@article{sorensen2002-12040138,
  author  = {Sörensen, S. and Pinquart, M. and Duberstein, P.},
  title   = {{How effective are interventions with caregivers? An updated meta-analysis}},
  journal = {The Gerontologist},
  year    = {2002},
  doi     = {10.1093/geront/42.3.356},
  pmid    = {12040138},
  url     = {https://doi.org/10.1093/geront/42.3.356}
}