[The two clinical types of chronic depression (author's transl)].
D000328:Adult; D000368:Aged; D003866:Depressive Disorder / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D007319:Sleep Initiation and Maintenance Disorders; D013239:Stereotyped Behavior; D013405:Suicide