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3by Berta Nelly Restrepo, María Teresa Restrepo, Juan Camilo Beltrán, Mónica Rodríguez, Ruth Emilia RamírezGet access
Published in Biomédica (2006)
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Article in Journal/Newspaper -
4by María Teresa Restrepo Calle, Alcira Monroy de Peña, Jaime Pérez Giraldo, María Cristina Velásquez EcheverriGet access
Published in Revista Panamericana de Salud Pública (2003)
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Article in Journal/Newspaper