Determinación de heroina en orina por el método multidrogas en estudiantes del Nivel Básico en el Colegio Nacional Adolfo Valarezo de la ciudad de Loja.
Currently the adolescent and young people of our country and of the whole world are immersed in drug that affects the entire population without distinction of age, sex, ethnicity, religion, etc. Teens to be a vulnerable group tend to use when they are going through difficulties in the study, problem...
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| 格式: | bachelorThesis |
| 语言: | spa |
| 出版: |
2013
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| 主题: | |
| 在线阅读: | http://dspace.unl.edu.ec/jspui/handle/123456789/17709 |
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