@misc{indiciaec44d9140a4e9,
  title = {The involutional depressive syndrome.},
  author = {S H Rosenthal},
  year = {1968},
  doi = {10.1176/ajp.124.11s.21},
  url = {https://pubmed.ncbi.nlm.nih.gov/4872232/},
  note = {Source identifier: 4872232}
}