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Changes in detection of birth defects and perinatal mortality after introduction of prenatal ultrasound screening in the Kola Peninsula (North-West Russia): combination of two birth registries

Crossref DOI link: https://doi.org/10.1186/s12884-015-0747-1

Published Online: 2015-11-23

Published Print: 2015-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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