000 00266nam a2200097Ia 4500
008 170707s9999 xx 000 0 und d
050 _a618.076 Ob7
245 0 _aObstetrics and gynecology: pretest self-assessment and review
260 _c1991
942 _2lcc
_cBK
_kCirc.
999 _c14705
_d14705