title: [Electrocardiographic changes in children with funnel chest].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D005660:Funnel Chest / Q000503:physiopathology*; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D007223:Infant; D008297:Male
vernacular_title: Zmiany elektrokardiograficzne w przypadkach lejkowatej klatki piersiowej u dzieci.