Characteristics of cannabis use by study participants obtained from self-reports at baseline.
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*Major routes of cannabis administration were inhaling smoke from paper-wrapped joints or water pipe (e.g., bong or bowl), or consumed orally (cannabis added to baked brownies). Cannabis use was calculated in “standard joints”, where 1 joint equals 0.5 g of dry cannabis, 5 hits (deep inhalations) from a joint or a bowl, or 0.5 bowl.
创建时间：
2015-12-02
