Kay, S R Diagnostic and behavioral characteristics of psychiatric patients who abuse substances. [electronic resource] - Hospital & community psychiatry Oct 1989 - 1062-4 p. digital Publication Type: Journal Article ISSN: 0022-1597 Standard No.: 10.1176/ps.40.10.1062 doi Subjects--Topical Terms: AdultHumansMental Disorders--diagnosisMiddle AgedPersonality Disorders--diagnosisSchizophrenia--diagnosisSubstance-Related Disorders--diagnosis