title: [Pulsed Doppler echocardiography in the diagnosis and estimation of the severity of aortic regurgitation].
mesh_terms: D000328:Adult; D001022:Aortic Valve Insufficiency / Q000175:diagnosis*; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged