title: [Changes in the etiology of blindness among children of school age in central Illinois, United States of America, between 1959 and 1969].
mesh_terms: D000293:Adolescent; D001766:Blindness / Q000453:epidemiology / Q000209:etiology*; D002648:Child; D005124:Eye Abnormalities; D005128:Eye Diseases / Q000150:complications; D006801:Humans; D007087:Illinois
vernacular_title: Changements d'étiologies de la cécite parmi les enfants d'age scolaire dans i'Illinois central des Etats-Unis d'Amérique entre 1959 et 1969.