000 00249naa a2200097ua 4500
008 170510s2008 xxu||||| |||| 00| 0 eng d
245 _aBJOG: British Journal Of Obstetrics & Gynecology
260 _bBlackwell
_c2008
300 _a1197-1728
650 _a
999 _c4558
_d4558