“Quito municipal schools” cohort study: Baseline results
Natalia Romero-Sandoval, Virginia Ruiz, Juan Quizanga, Ricardo Recalde, Efrén Anchali, Jaime Falconí, Oscar Flores, Miguel Martín
Open Journal of Epidemiology
Vol.2 No.3
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Pub. Date:
August
28,
2012
DOI:
10.4236/ojepi.2012.23011
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