BJOG: An International Journal of Obstetrics & Gynaecology
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 185 - 192
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 212 - 215
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 193 - 199
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 175 - 180
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 225 - 228
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 150 - 155
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 163 - 174
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 2 > 181 - 184
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 3 > 288 - 294
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 3 > 314 - 320
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 3 > 356 - 360
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 3 > 274 - 281