000			00349nam a2200145Ia 4500
008			240112s2007 xx 000 0 und d
022			_a14700328
041			_aeng
082			_a618.205
100			_aSTEER P.
245			_aJOURNAL OF OBSTETRICS & GYNAECOLOGY (BJOG )
260			_bBLACK WELL _c2007
300			_a1-518.HB _c1-4
440			_v114
999			_c1142696 _d1142696