Best Practice & Research Clinical Obstetrics & Gynaecology
Best Practice & Research Clinical Obstetrics & Gynaecology > 2001 > 15 > 6 > 903-911
Best Practice & Research Clinical Obstetrics & Gynaecology > 2008 > 22 > 1 > 31-48
Best Practice & Research Clinical Obstetrics & Gynaecology > 2001 > 15 > 6 > 903-911
Best Practice & Research Clinical Obstetrics & Gynaecology > 2008 > 22 > 1 > 31-48