BJOG: An International Journal of Obstetrics & Gynaecology
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 107 - 114
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 28 - 35
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 88 - 97
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 18 - 26
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 47 - 56
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 39 - 45
BJOG: An International Journal of Obstetrics & Gynaecology > 127 > 1 > 58 - 68