TY - BOOK AU - Craig,Marveen TI - Essentials of sonography and patient care SN - 0721642292 AV - RC78.7.U4 C68 1993 U1 - 616.07/543 20 PY - 1993/// CY - Philadelphia PB - Saunders KW - Diagnostic ultrasonic imaging KW - Ultrasonography N1 - Includes bibliographical references and index ER -