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https://hdl.handle.net/20.500.12495/185

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Prevalence of and factors associated with current asthma symptoms in school children aged 6-7 and 13-14 yr old in Bogotá, Colombia
(Wiley, 2008) Garcia, Elizabeth; Aristizabal, Gustavo; Vasquez, Catalina; Rodriguez-Martinez, Carlos E.; Sarmiento, Olga L.; Satizabal, Claudia L.