https://www.selleckchem.com/pr....oducts/guanosine.htm
Nicotine and cannabis use are common among adolescents and may be associated with behavioral problems, poor academic outcomes and use disorders. The goals of this analysis were the following (1) Describe the influence of friends' nicotine and cannabis smoking and vaping on self-reported use. (2) Describe the relationship between friends' nicotine and cannabis use on participants' urinary biomarkers of nicotine (cotinine) and cannabis (11-nor-9-carboxy-Δ⁸tetrahydrocannabinol=THC-COOH). This is a secondary analysis of survey and biomark
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