title: [Cardiac changes in infectious mononucleosis in children].
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006801:Humans; D007223:Infant; D007244:Infectious Mononucleosis / Q000150:complications*
vernacular_title: Zmiany w sercu w przebiegu mononukleozy zakaźnej u dzieci.