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23by Ninive Sanchez, Andrew Grogan-Kaylor, Marcela Castillo, Gabriela Caballero, Jorge DelvaGet access
Published 2010
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30by Óscar Arteaga, Susan Thollaug, Ana Cristina Nogueira, Christian DarrasGet access
Published in Revista Panamericana de Salud Pública (2002)
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37by Jose A. Salinas-Perez, Luis Salvador-Carulla, Sandra Saldivia, Pamela Grandon, Alberto Minoletti, Cristina Romero Lopez-AlbercaGet access
Published in Revista Panamericana de Salud Pública (2018)
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