[2d survey of hearing in schoolchildren of Campinas].
D001938:Brazil; D002648:Child; D006306:Health Surveys; D006311:Hearing Disorders / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008403:Mass Screening; D012572:School Health Services
Devxième enquête sur l'audition des écoliers de Campinas