Proof of concept: digital clock drawing behaviors prior to transcatheter aortic valve replacement may predict length of hospital stay and cost of care oleh Margaret Ellenora Wiggins, Catherine Dion, Erin Formanski, Anis Davoudi, Shawna Amini, Kenneth M. Heilman, Dana Penney, Randall Davis, Cynthia W. Garvan, George J. Arnaoutakis, Patrick Tighe, David J. Libon, Catherine C. Price