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

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).

Detalles Bibliográficos
Autores principales: Martinez-Novack, Maria Claudia, Ortiz-Ortiz, Maria Teresa, Castañeda-Carbajal, Bruno, Alvarado, German F.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2015
Materias:
Comment
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4586702/
https://www.ncbi.nlm.nih.gov/pubmed/26393629
http://dx.doi.org/10.3390/ijerph120911718

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4586702/
https://www.ncbi.nlm.nih.gov/pubmed/26393629
http://dx.doi.org/10.3390/ijerph120911718

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