Depressive Disorder, Major |
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| Depressive Disorders, Major; Disorder, Major Depressive; Disorders, Major Depressive; Involutional Depression; Involutional Melancholia; Involutional Paraphrenia; Involutional Psychoses; Involutional Psychosis; Major Depressive Disorders | |
| Marked depression appearing in the involution period and characterized by hallucinations, delusions, paranoia, and agitation. | |