TY - BOOK AU - Kremkau, Frederick W. TI - Doppler Ultrasound: principles and instruments U1 - 616.07543 PY - 1995/// CY - Philadelphia PB - W.B. Saunders KW - Doppler Ultrasnography KW - Ultrasonics KW - Ultrasonography-Instrumentation N1 - Includes bibliographical references and index ER -