Sanders, Stephen P. Noninvasive Evaluation of Aortic Valve Anatomy. [electronic resource] - Echocardiography (Mount Kisco, N.Y.) May 1996 - 315-324 p. digital Publication Type: Journal Article ISSN: 1540-8175 Standard No.: 10.1111/j.1540-8175.1996.tb00904.x doi