Heavy cannabis use among UK teenagers: an exploration
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PII: S0376-8716(01)00165-X
doi:10.1016/S0376-8716(01)00165-X
© 2002 Elsevier Science Ireland Ltd. All rights reserved.
PII: S0376-8716(01)00165-X
doi:10.1016/S0376-8716(01)00165-X
© 2002 Elsevier Science Ireland Ltd. All rights reserved.