1. Congenital bicuspid aortic valves and the aetiology of isolated valvular stenosis;Bacon, A.P.C.; Matthews, M.B.;Quart. J. Med,1959
2. Results of surgical treatment of aortic stenosis;Baker, C.; Somerville, J.;Brit. med. J,1964
3. Translated by and quoted from White;Bonet, T.,1679
4. Facts on the Heart;Cabot, R.S.,1926
5. The natural history of congenital aortic stenosis;Campbell, M.;Brit. Heart J,1968