David H. Adams

American Society of Echocardiography recommendations for quality echocardiography laboratory operations.

D. Malenka, P. Pellikka, W. Zoghbi, 2011, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Guidelines for the cardiac sonographer in the performance of contrast echocardiography: recommendations of the American Society of Echocardiography Council on Cardiac Sonography.

D Ehler, P. Douglas, A. Waggoner, 2001, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.