First experience with intravenous albumin microcapsules for contrast enhancement in cardiovascular ultrasound examination: M. Levi, P. van der Wouw, F. Turkstra, N. de Jong, F. ten Cate, J.W. ten Cate. Center for Haemostatis, Thrombosis, Atherosclerosis and Inflammation Research and Department of Cardiology, Academic Medical Centre, Amsterdam and Department of Cardiology, Erasmus University, Rotterdam, Netherlands