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Are cannabis prevalence estimates comparable across countries and regions? A cross-cultural validation using search engine query data

Authors: 
Steppan, M., Kraus, L., Piontek, D. & Siciliano, V
Keywords: 
cannabis use prevalence, cultural effects, validation, school survey
Added: 
Ludwig Kraus 31/07/2015
Publishing year: 
2013
Volume: 
24
Number: 
1
Pages: 
23–29
Type of Document: 
Peer reviewed article/paper
Document language: 
English