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Arctic medicine. Tropical medicine
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Brasil
Brazil
2
Medicine
2
Public aspects of medicine
R
2
RA1-1270
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RC955-962
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adolescent
adolescente
2
cohort studies
2
socioeconomic factors
Baixo rendimento escolar
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Calidad de vida
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Quality of life
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Underachievement
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estudios de cohortes
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estudios longitudinales
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estudos de coortes
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factores socioeconómicos
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fatores socioeconômicos
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longitudinal studies
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pobreza
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poverty
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