Browsing Institutt for helse og samfunn by Author "Fretts, Ruth"
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Tveit, Julie V H; Saastad, Eli; Stray-Pedersen, Babill; Børdahl, Per E; Flenady, Vicki; Fretts, Ruth; Frøen, J F (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)We have performed a full cross-validation of this clinical Femina data collection against the routinely collected data of the Medical Birth Registry of Norway to validate the estimates of reduced mortality in the total ...