title: M-mode echocardiographic features of children with Keshan disease. A preliminary observation of 106 cases.
mesh_terms: D006332:Cardiomegaly / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D006331:Heart Diseases / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology*; D006801:Humans; D009200:Myocardial Contraction