[Two-dimensional echocardiogram in the diagnosis of subaortic annular stenosis--report of 3 cases].
D001020:Aortic Stenosis, Subvalvular / Q000175:diagnosis* / Q000601:surgery; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male