TY  - BOOK
AU  - Callen,Peter W.
TI  - Ultrasonography in obstetrics and gynecology
SN  - 0721681328
PY  - 2000///
CY  - Philadelphia
PB  - W. B. Saunders
KW  - Obstetrics
KW  - Ultrasonography, Prenatal
KW  - Fetal monitoring
KW  - Fetal diseases
KW  - Diagnosis
KW  - Genital diseases, Female
ER  -