00310nam a2200133Ia 4500008004100000022001300041041000800054082000800062100001800070245004700088260001500135300001800150440000800168240112s2017    xx            000 0 und d  a14700328  aeng  a618  aPATRICK CHEIN  aAN INT. JOU. OF OBSTERICS AND  GYNECOLOGY   bBJOGc2017  a711-1290c5-8  v124