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Acta Paediatrica > 99 > 7 > 997 - 999
International Journal of Gynecology and Obstetrics > 2009 > 107 > 1 > 82-86
Acta Paediatrica > 99 > 7 > 997 - 999
International Journal of Gynecology and Obstetrics > 2009 > 107 > 1 > 82-86