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Acta Obstetricia et Gynecologica Scandinavica > 96 > 10 > 1197 - 1204
BJOG: An International Journal of Obstetrics & Gynaecology > 122 > 12 > 1695 - 1704
Acta Obstetricia et Gynecologica Scandinavica > 96 > 10 > 1197 - 1204
BJOG: An International Journal of Obstetrics & Gynaecology > 122 > 12 > 1695 - 1704