1. Auscultation and phonocardiography in the recognition and differential diagnosis of congenital aortic stenosis;Engle,1964
2. Relationship between severity of aortic stenosis and clinical findings;Gillmann;Arch. Kreislaufforsch.,1960
3. Clinical features and surgical treatment of fifty patients with severe aortic stenosis;Baker;Guy's Hosp. Rep.,1959
4. Aortic Stenosis in infants and children;Ongley;Pediatrics,1958
5. Congenital aortic valvular stenosis;Campbell;Brit. Heart J.,1953