Article
Co-occurrence of abuse of different drugs in men: the role of drug-specific and shared vulnerabilities.
Archives of general psychiatry - 1 Nov 1998
Tsuang M T, Lyons M J, Meyer J M, Doyle T, Eisen S A, Goldberg J, True W, Lin N, Toomey R, Eaves L
Abstract excerpt
BACKGROUND: Previous research has demonstrated genetic and environmental influences on abuse of individual substances, but there is less known about how these factors may influence the co-occurrence of abuse of different illicit drugs. METHODS: We studied 3372 male twin pairs from the Vietnam Era Twin Registry. They were interviewed using the Diagnostic Interview Schedule, Version III, Revised to investigate the...
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