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1by Rodrigo S. Reis, Cheryl M. Kelly, Diana C. Parra, Mauro Barros, Grace Gomes, Deborah Malta, Thomas Schmid, Ross C. BrownsonGet access
Published 2012
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2by Adriana Pérez, Belinda M. Reininger, María Isabel Aguirre Flores, Maureen Sanderson, Robert E. RobertsGet access
Published 2006
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3Published in Revista Panamericana de Salud Pública (2003)Get access
Get access
Article in Journal/Newspaper