Search Results       Your search for [subject]Heroin addiction returned 1 record.           The persistent poppy : a computer-aided search for heroin policy. by Levin, Gilbert.; Cambridge, Mass.: Ballinger Pub. Co., 1975. Subject: Heroin habit -- United States; Narcotics, Control of -- United States; System analysis; Computers; Heroin addiction; Research Design.          Add to Book Cart Relevance: 21.71%