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Validation of maternal reported pregnancy and birth characteristics against the Medical Birth Registry of Norway
- Svein Magne Skulstad,
- Jannicke Igland,
- Ane Johannessen,
- Randi Jacobsen Bertelsen,
- Marianne Lønnebotn,
- Ernst Reidar Omenaas,
- Cecilie Svanes,
- Francisco Gomez Real
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- Published: August 4, 2017
- https://doi.org/10.1371/journal.pone.0181794