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Commentary on Prince van Leeuwen et al. (2014): Tobacco and cannabis use |
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| Authors: | David M. Fergusson Joseph M. Boden |
| Affiliation: | Christchurch Health and Development Study, Department of Psychological Medicine, University of Otago, Christchurch, , Christchurch, 8140 New Zealand |
| Abstract: | |
| Keywords: | Alcohol cannabis gateway theory longitudinal study route of administration (ROA) tobacco |