title: [Epidemiological study of trachoma].
authors.forename: Ricardo
authors.initials: R
authors.lastname: Mörschbächer
authors.forename: Norma Helen
authors.initials: NH
authors.lastname: Medina
authors.forename: Expedito J A
authors.initials: EJ
authors.lastname: Luna
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D013334:Students / Q000706:statistics & numerical data*; D014141:Trachoma / Q000453:epidemiology*