Ho, SY (Enero de 2009). «Structure and anatomy of the aortic root.». European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology10 (1): i3-10. PMID19131496. doi:10.1093/ejechocard/jen243.
Ho, SY (Enero de 2009). «Structure and anatomy of the aortic root.». European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology10 (1): i3-10. PMID19131496. doi:10.1093/ejechocard/jen243.