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Q52648761-2B5B9F07-E33E-4B41-9B78-6780524457D7
Q52648761-2B5B9F07-E33E-4B41-9B78-6780524457D7
BestRank
Statement
http://www.wikidata.org/entity/statement/Q52648761-2B5B9F07-E33E-4B41-9B78-6780524457D7
Determining gestational age and preterm birth in rural Guatemala: A comparison of methods.
P2860
Q52648761-2B5B9F07-E33E-4B41-9B78-6780524457D7
BestRank
Statement
http://www.wikidata.org/entity/statement/Q52648761-2B5B9F07-E33E-4B41-9B78-6780524457D7
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544f6a2031385b9fd8ffeeb173c783670f8d011e
P2860
Comparison of gestational age at birth based on last menstrual period and ultrasound during the first trimester.