title: The management of sick sinus syndrome in children: the use of exercise tolerance testing and standardized Valsalva's test.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002648:Child; D005080:Exercise Test; D005260:Female; D006801:Humans; D013577:Syndrome; D014636:Valsalva Maneuver