title: Impairment in generalized anxiety disorder.
authors.forename: M
authors.initials: M
authors.lastname: Olfson
mesh_terms: D001008:Anxiety Disorders / Q000175:diagnosis* / Q000523:psychology; D006304:Health Status; D006801:Humans; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data*; D011594:Psychometrics; D015203:Reproducibility of Results; D012720:Severity of Illness Index