(Q44618306)
Statements
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First cannabis use: does onset shift to younger ages? Findings from 1988 to 2003 from the Dutch National School Survey on Substance Use. (English)
1 reference
Jim van Os
1 reference
Ron de Graaf
1 reference
Karin Monshouwer
1 reference
Filip Smit
1 reference
Wilma Vollebergh
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1 July 2005
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Identifiers
1 reference