title: Studies in the classification of affective disorders. The relationship between anxiety states and depressive illnesses. I.
mesh_terms: D000293:Adolescent; D000328:Adult; D000342:Affective Symptoms / Q000145:classification*; D000367:Age Factors; D001008:Anxiety Disorders / Q000145:classification* / Q000235:genetics; D003863:Depression / Q000145:classification* / Q000235:genetics; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010287:Parent-Child Relations; D010554:Personality Disorders; D010555:Personality Inventory; D020018:Sexual Dysfunctions, Psychological