The masks of depression.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002908:Chronic Disease; D003863:Depression / Q000150:complications; D006801:Humans; D007223:Infant; D007360:Intelligence; D009730:Nursing Assessment; D010554:Personality Disorders / Q000209:etiology