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Preconceptional Folate Supplementation and the Risk of Spontaneous Preterm Birth: A Cohort Study
Bukowski R,
Malone FD,
Porter FT,
Nyberg DA,
Comstock CH,
et al.
(2009)
Preconceptional Folate Supplementation and the Risk of Spontaneous Preterm Birth: A Cohort Study.
PLOS Medicine 6(5): e1000061.
https://doi.org/10.1371/journal.pmed.1000061