@misc{indiciae06bc7d17f2c5,
  title = {Mood disturbances in the elderly.},
  author = {W W Zung},
  year = {1970},
  doi = {10.1093/geront/10.1\_part\_2.2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5421021/},
  note = {Source identifier: 5421021}
}