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1by Guillermo Terán-Angel, Henk Schallig, Olga Zerpa, Vestalia Rodríguez, Marian Ulrich, Maira CabreraGet access
Published in Biomédica (2007)
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2by Guillermo Terán-Ángel, Vestalia Rodríguez, Rosilved Silva, Olga Zerpa, Henk Schallig, Marian Ulrich, Maira CabreraGet access
Published in Biomédica (2010)
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3by Olga Zerpa, Marian Ulrich, Rafael Borges, Vestalia Rodríguez, Marta Centeno, Emilia Negrón, Doris Belizario, Jacinto ConvitGet access
Published in Revista Panamericana de Salud Pública (2003)
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