[Lactose malabsorption in children and adolescents: diagnosis through breath hydrogen test using cow milk].

Abstract

OBJECTIVE To determine the prevalence of lactose malabsorption and its association with skin color and age in children and teenagers attending public schools in Porto Alegre, Brazil. METHODS A cross-sectional study was performed with 225 subjects between 8 and 18 years attending two public schools in Porto Alegre, Brazil. Patients were randomly selected… (More)

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