000 00322nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aPeter W Callen
245 0 _aUltrasonography In Obstetrics And Gynecology
250 _a3rd(1997)
260 _bHARCOURT BRACE
300 _a755
650 _aRadiology
942 _cMEDI
999 _c3397
_d3397