Myocardial Wringing and Rigid Rotation in Cardiac Amyloidosis oleh Vicente Mora, MD, PhD, Ildefonso Roldán, MD, PhD, Elena Romero, MD, Ariel Saad, MD, Celia Gil, MD, M. Belen Contreras, MD, Jorge Trainini, MD, PhD, Pablo Escribano, MD, Pau Gimeno, MD, Rosina Arbucci, MD, Amparo Valls, MD, PhD, Jorge Lowenstein, MD, PhD