@misc{indiciaec8ac6fceeee9,
  title = {Psychotic depressive disorder. A separate entity?},
  author = {E Frangos and G Athanassenas and S Tsitourides and P Psilolignos and N Katsanou},
  year = {1983},
  doi = {10.1016/0165-0327(83)90049-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6224837/},
  note = {Source identifier: 6224837}
}