TY - BOOK AU - Ryding,Alisdair TI - Essential echocardiography SN - 9780443103230 AV - RC683.5.U5 R93 2008 U1 - 616.1 22 PY - 2008/// CY - Edinburgh, New York PB - Churchill Livingstone KW - Echocardiography KW - methods KW - Heart Diseases KW - ultrasonography N1 - Includes index ER -