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Percutaneous Balloon Aortic Valvuloplasty for Aortic Stenosis in Elderly Patients at High Risk for Surgery
JOHN F. SCHNEIDER, M.D.; MICHAEL WILSON, M.D.; THOMAS E. GALLANT, M.D.
Annals of Internal Medicine 1987;106:696-699.
doi:10.7326/0003-4819-106-5-696
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