title: [Prevalence of respiratory symptoms in 1659 school children living in a non polluted area (author's transl)].
mesh_terms: D000397:Air Pollution; D001530:Belgium; D002648:Child; D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D012120:Respiration Disorders / Q000453:epidemiology*; D012923:Social Class; D011795:Surveys and Questionnaires
vernacular_title: Prévalence des signes de bronchite chez 1659 écoliers vivant en habitat peu pollué.