00321nam a2200133Ia 4500008004100000022001300041041000800054082001200062100001300074245004800087260002100135300002300156440000800179240112s2007    xx            000 0 und d  a14700328  aeng  a618.205  aSTEER P.  aJOURNAL OF OBSTETRICS & GYNAECOLOGY (BJOG )  bBLACK WELLc2007  a1042-1586,HBc9-12  v114