Best Practice & Research Clinical Obstetrics & Gynaecology
Best Practice & Research Clinical Obstetrics & Gynaecology > 2008 > 22 > 3 > 425-445
Best Practice & Research Clinical Obstetrics & Gynaecology > 2008 > 22 > 3 > 489-499
Best Practice & Research Clinical Obstetrics & Gynaecology > 2008 > 22 > 6 > 1013-1023