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. 2009 Oct 7;2009(4):CD006565. doi: 10.1002/14651858.CD006565.pub2
Study Reason for exclusion
M‐V KR 2001 This is not a trial of the efficacy and safety of D9‐THC. Instead it presents data to support the view that D9‐THC does not have a negative impact on neuropsychological performance, when given as a single dose to 12 patients.
M‐V KR 2003 This study presents evidence that there were neither acute nor long term cognitive deficits in patients given 6 weeks treatment with D9‐THC.