title: Rate dependance of QRS morphology in the Wolff-Parkinson-White syndrome. A case report with electrophysiological studies.
mesh_terms: D000328:Adult; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis*