000 00308nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a618.01
100 _aCallen
245 0 _aUltrasonography in obstetricis and gynecology
250 _a5
260 _bElsev
_c2008
440 _v_
650 _agynaecology
999 _c47444
_d47444