TY - GEN AU - Kronzon,Itzhak AU - Tunick,Paul A. TI - Challenging cases in echocardiography SN - 9780781750691 PY - 2005/// CY - Philadelphia PB - Lippincott Williams & Wilkins KW - Echocardiography KW - Case Reports KW - Problems and Exercises N1 - Includes index ER -