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Acta Obstetricia et Gynecologica Scandinavica > 103 > 3 > 423 - 436
BJOG: An International Journal of Obstetrics & Gynaecology > 130 > 10 > 1217 - 1225
Acta Obstetricia et Gynecologica Scandinavica > 103 > 3 > 423 - 436
BJOG: An International Journal of Obstetrics & Gynaecology > 130 > 10 > 1217 - 1225