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Wiley, Addiction, 11(104), p. 1856-1861, 2009

DOI: 10.1111/j.1360-0443.2009.02736.x

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If cannabis caused schizophrenia--how many cannabis users may need to be prevented in order to prevent one case of schizophrenia? England and Wales calculations.

Journal article published in 2009 by Matt Hickman ORCID, Peter Vickerman, John Macleod, Glyn Lewis ORCID, Stan Zammit ORCID, James Kirkbride, Peter Jones ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We consider how many cannabis users may need to be prevented in order to prevent one case of schizophrenia or psychosis [defined as number needed to prevent (NNP)].