TY  - BOOK
AU  - Callen,Peter W.
TI  - Ultrasonography in obstetrics and gynecology
SN  - 0721667120
PY  - 1994///
CY  - Philadelphia, London
PB  - Saunders
KW  - Generative organs, Female
KW  - Ultrasonic imaging
KW  - Ultrasonics in obstetrics
N1  - Includes bibliographical references and index
ER  -