title: Genetic testing in subjects with no clinical abnormality: the tip of a huge iceberg.
authors.forename: Dan M
authors.initials: DM
authors.lastname: Roden
mesh_terms: D004562:Electrocardiography; D005820:Genetic Testing / Q000379:methods*; D006801:Humans; D008133:Long QT Syndrome / Q000151:congenital / Q000175:diagnosis / Q000235:genetics; D011379:Prognosis