TY  - BOOK
AU  - Callen,Peter W.
TI  - Ultrasonography in obstetrics and gynecology
SN  - 072162331X
U1  - 618 
PY  - 1983///
CY  - Philadelphia
PB  - Saunders
KW  - Ultrasonics in obstetrics
KW  - Generative organs, Female - Diseases - Diagnosis
KW  - Diagnosis, Ultrasonics
KW  - Genital diseases, Female
KW  - Obstetrics
KW  - Fetal monitoring
ER  -