TY  - BOOK
AU  - Hobbins, J.C; Winsberg, F ; Berkowite, R.I
TI  - Ultrasonography in obstertrics and gynecology 
SN  - 0683040893
PY  - 1983///
CY  - Baltimore
PB  - Williams and Wilkins
KW  - Ultrasonics in obstetrics
ER  -