title: Percutaneous balloon valvuloplasty of mitral stenosis aided by cardiac ultrasound.
mesh_terms: D004106:Dilatation / Q000379:methods*; D004452:Echocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis / Q000628:therapy*