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Q53754150-EDD86A44-963D-4248-8CD9-2D8CBD056A7F
Q53754150-EDD86A44-963D-4248-8CD9-2D8CBD056A7F
BestRank
Statement
http://www.wikidata.org/entity/statement/Q53754150-EDD86A44-963D-4248-8CD9-2D8CBD056A7F
Trends in US sex ratio by plurality, gestational age and race/ethnicity.
P2860
Q53754150-EDD86A44-963D-4248-8CD9-2D8CBD056A7F
BestRank
Statement
http://www.wikidata.org/entity/statement/Q53754150-EDD86A44-963D-4248-8CD9-2D8CBD056A7F
rank
NormalRank
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BestRank
Statement
wasDerivedFrom
297abb07af1f411cdeda2fc1bb1d96346c1a3e35
P2860
Influence of parental and biological factors on the male birth fraction in the United States: an analysis of birth certificate data from 1964 through 1988.