000 00306nam a2200109Ia 4500
008 220809s2012 xx 000 0 und d
041 _aeng
245 _aAmerican journal of OBG and GYN,Vol-206,No-1-6,Jan-june,2012,
260 _c2012
520 _aBack Volume
650 _aObstetrics and Gynaecology (618)
999 _c165730
_d165730