BJOG: An International Journal of Obstetrics & Gynaecology
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 422 - 430
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 474 - 483
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 431 - 438
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 410 - 416
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 499 - 503
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 458 - 473
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 449 - 457
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 484 - 492
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 493 - 498
BJOG: An International Journal of Obstetrics & Gynaecology > 119 > 4 > 439 - 448