title: The 22-item scale used in field studies of mental illness: a question of method, a question of substance, and a question of theory.
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology* / Q000209:etiology; D011581:Psychological Tests; D011594:Psychometrics; D013315:Stress, Psychological; D014481:United States