@article{kottergruhn2009-19739922,
  author  = {Kotter‐Grühn, Dana and Kleinspehn-Ammerlahn, Anna and Gerstorf, Denis and Smith, Jacqui},
  title   = {{Self-perceptions of aging predict mortality and change with approaching death: 16-year longitudinal results from the Berlin Aging Study}},
  journal = {Psychology and Aging},
  year    = {2009},
  doi     = {10.1037/a0016510},
  pmid    = {19739922},
  url     = {https://doi.org/10.1037/a0016510}
}