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Ultrasound in Obstetrics & Gynecology > 49 > 4 > 487 - 492
Birth Defects Research Part A: Clinical and Molecular Teratology > 103 > 10 > 843 - 846
Ultrasound in Obstetrics & Gynecology > 49 > 4 > 487 - 492
Birth Defects Research Part A: Clinical and Molecular Teratology > 103 > 10 > 843 - 846