title: Retrograde pre-excitation. Comparison of antegrade and retrograde conduction intervals in man.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D002037:Bundle-Branch Block / Q000503:physiopathology; D006328:Cardiac Catheterization; D004558:Electric Stimulation; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors