(Q50913861)
Statements
[The consumption of psychoactive substances by adolescents in schools in Ribeiräo Preto, SP (Brazil). I--Prevalence of consumption by sex, age and substance] (English)
1 reference
Muza GM
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Bettiol H
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Muccillo G
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Barbieri MA
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1 February 1997
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31
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1
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21-29
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1 reference