TY - BOOK AU - Callen,Peter W. TI - Ultrasonography in obstetrics and gynecology SN - 072162331X AV - RG527.5.U48 C34 1983 U1 - 618 19 PY - 1983/// CY - Philadelphia PB - Saunders KW - Ultrasonics in obstetrics KW - Generative organs, Female KW - Ultrasonic imaging KW - Ultrasonics KW - Diagnostic use KW - Genital diseases, Female KW - Diagnosis KW - Obstetrics KW - Fetal monitoring N1 - Includes bibliographies and index ER -