Simulation training in echocardiography: the evolution of metrics.
Shakil, Omair, Bilal Mahmood, Robina Matyal, Jayant Jainandunsing, John Mitchell, and Feroze Mahmood. 2013. “Simulation Training in Echocardiography: The Evolution of Metrics.”. J Cardiothorac Vasc Anesth 27 (5): 1034-40.