title: [Effect of the duration of diabetes mellitus on electrocardiographic changes in children].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003922:Diabetes Mellitus, Type 1; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D013997:Time Factors
vernacular_title: Wpływ czasu trwania cukrzycy na zmiany elektrokardiograficzne u dzieci.