000 00293nam a2200109Ia 4500
008 220809s2009 xx 000 0 und d
041 _aeng
245 _aClinics in perinatology Vol.36, No.1, March 2009
260 _c2009
520 _aBack Volume
650 _aObstetrics and Gynaecology (618)
999 _c164377
_d164377