BJOG: An International Journal of Obstetrics & Gynaecology
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 615 - 623
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 564 - 577
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 523 - 532
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 589 - 595
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 608 - 614
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 550 - 556
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 557 - 563