title: Establishing risk in siblings of long QT syndrome: expressivity over penetrance.
authors.forename: Christopher C
authors.initials: CC
authors.lastname: Erickson
mesh_terms: D016757:Death, Sudden, Cardiac / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control; D017147:Defibrillators, Implantable; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications* / Q000235:genetics / Q000503:physiopathology; D008487:Medical History Taking; D035781:Siblings; D013575:Syncope