title: CHRONIC ATRIAL FLUTTER IN BROTHERS WITH THE MARFAN SYNDROME.
mesh_terms: D000293:Adolescent; D054119:Arachnodactyly; D001282:Atrial Flutter; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008382:Marfan Syndrome; D035781:Siblings
keywords: ADOLESCENCE; ARACHNODACTYLY; AURICULAR FLUTTER; ELECTROCARDIOGRAPHY