The so-called masked depression.
D000328:Adult; D003863:Depression / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011602:Psychophysiologic Disorders / Q000175:diagnosis* / Q000628:therapy; D011795:Surveys and Questionnaires