Discrete subaortic stenosis. A report of 20 cases.
D000293:Adolescent; D000328:Adult; D001024:Aortic Valve Stenosis / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D002932:Cineangiography; D005260:Female; D006801:Humans; D008297:Male