Browsing by Subject "Epidemiological survey"
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Cannabis use by 15-year old schoolchildren. Data from the HBSC/WHO international survey in 32 countries. (Princeps Editions, 2007)In the 32 western countries that participated in the Health Behaviour in School-aged Children (HBSC-2002) survey conducted in schools by means of an anonymous self-administered questionnaire among 45,848 schoolchildren, ...