Determinación de marihuana en orina por el método multidrogas en estudiantes de bachillerato del colegio Nacional Adolfo Valarezo de la ciudad de Loja
Currently the country and world is immersed in the drug that affects the entire population regardless of sex , age, ethnicity , religion, etc. . However, the group most affected are teenagers who for various reasons such as family problems, curiosity , membership of groups ( galladas , Jorgas ) cons...
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| Format: | bachelorThesis |
| Language: | spa |
| Published: |
2014
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| Online Access: | http://dspace.unl.edu.ec/jspui/handle/123456789/13535 |
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