Some relations among psychiatric symptoms, organic illness, and social class.
D000328:Adult; D001741:Black or African American; D000368:Aged; D004467:Economics; D004493:Education; D005190:Family; D006801:Humans; D007406:Interview, Psychological; D007585:Jews; D001523:Mental Disorders / Q000209:etiology*; D008875:Middle Aged; D009519:New York City; D011581:Psychological Tests; D011594:Psychometrics; D011603:Psychophysiology; D011611:Psychosomatic Medicine; D012494:Sampling Studies; D012924:Social Conditions