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Continued cannabis use and risk of incidence and persistence of psychotic symptoms: 10 year follow-up cohort study

BMJ 2011; 342 doi: http://dx.doi.org/10.1136/bmj.d738 (Published 01 March 2011) Cite this as: BMJ 2011;342:d738

Re: Continued cannabis use and risk of incidence and persistence of psychotic symptoms: 10 year follow-up cohort study

I'm confused DSM & ICD have been used by CIDI, but DSM & ICD only cover psychotic disorders not subclinical psychotic experiences which I thought was the outcome?
Where can you find the criteria for subclinical psychosis?
In the results have clinical psychotic experiences been pooled with subclinical psychotic experiences? What about the participants who developed clinical psychosis?
many questions but quite confused- any reply would be appreciated!

Competing interests: No competing interests

10 April 2012
Bill Humble
Medical student
North West
Liverpool
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