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Comment
. 2003 Jul 16;290(3):329; author reply 330-1.
doi: 10.1001/jama.290.3.329-a.

Early exposure to marijuana and risk of later drug use

Joshua G Schier, Lewis S Nelson, Robert S Hoffman
Comment

Early exposure to marijuana and risk of later drug use

Joshua G Schier et al. JAMA. .
No abstract available

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