title: Cardiac involvement in juvenile rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000150:complications*; D001799:Blood Sedimentation; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007223:Infant; D007958:Leukocyte Count; D008297:Male; D010490:Pericardial Effusion / Q000175:diagnosis / Q000209:etiology; D010493:Pericarditis / Q000175:diagnosis / Q000209:etiology; D012214:Rheumatic Heart Disease / Q000209:etiology*
chemical_list: D006454:Hemoglobins