title: Electrocardiograms in rheumatic heart disease in children.
authors.forename: H C
authors.initials: HC
authors.lastname: CROSSFIELD
mesh_terms: D002648:Child; D004562:Electrocardiography; D006321:Heart; D006331:Heart Diseases; D006801:Humans; D012213:Rheumatic Fever; D012214:Rheumatic Heart Disease