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2by Martha Lucía Serrano, Alfredo Romero, Ricardo Cendales, Myriam Sánchez Gómez, María Mercedes BravoGet access
Published in Biomédica (2006)
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Article in Journal/Newspaper -
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4by Armando Peruga, Esther María León, Raquel Child, Aurelio Cruz, Manuel Hernández, Anabella Arredondo, Carlos Hernández, Paloma Cuchí, Fernando ZacaríasGet access
Published in Revista Panamericana de Salud Pública (2000)
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Article in Journal/Newspaper