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Comments on Hynes et al. Prevalence of marijuana use among university students in Bolivia, Colombia, Ecuador and Peru. Int. J. Environ. Res. Public Health 2015, 12, 5233–5240

International Journal of Environmental Research and Public Health
DOI: 10.3390/ijerph120911718
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Abstract

We have read and analyzed the article entitled “Prevalence of marijuana use among university students in Bolivia, Colombia, Ecuador and Peru”. We propose some objective points which could enhance the internal validity of the study (i.e., we suggest to report participation proportions).

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APA

Martinez-Novack, M. C., Ortiz-Ortiz, M. T., Castañeda-Carbajal, B., & Alvarado, G. F. (2015, September 17). Comments on Hynes et al. Prevalence of marijuana use among university students in Bolivia, Colombia, Ecuador and Peru. Int. J. Environ. Res. Public Health 2015, 12, 5233–5240. International Journal of Environmental Research and Public Health. MDPI. https://doi.org/10.3390/ijerph120911718

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