We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe Harvard Twin Study of Substance Abuse: What We Have LearnedAuthorsTsuang, Ming T.; Bar, Jessica L.; Harley, Rebecca M.; Lyons, Michael J.PublicationHarvard Review of Psychiatry, 2001, Vol 9, Issue 6, p267ISSN1067-3229DOI10.1080/10673220127912