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Multilevel population-based cross-sectional study examining school substance-misuse policy and the use of cannabis, mephedrone and novel psychoactive substances among students aged 11–16 years in schools in Wales
Midgley, Luke S, Murphy, Simon, Moore, Graham, Hewitt, Gillian, White, JamesVolume:
8
Langue:
english
Journal:
BMJ Open
DOI:
10.1136/bmjopen-2017-020737
Date:
June, 2018
Fichier:
PDF, 250 KB
english, 2018