[The depressive syndrome. Classification, diagnosis, clinical aspects].
D003863:Depression; D005767:Gastrointestinal Diseases / Q000209:etiology; D006801:Humans; D007398:Interpersonal Relations; D009341:Negativism; D011602:Psychophysiologic Disorders; D012893:Sleep Wake Disorders / Q000209:etiology; D013577:Syndrome
Das depressive Syndrom.