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. Author manuscript; available in PMC: 2013 Nov 29.
Published in final edited form as: Paediatr Perinat Epidemiol. 2012 Jul;26(0 1):10.1111/j.1365-3016.2012.01284.x. doi: 10.1111/j.1365-3016.2012.01284.x

Figure 2.

Figure 2

Forest plot of the effect of vitamin A/β-C supplementation during pregnancy on preterm birth (<37 weeks gestational age) and early preterm birth (<34 weeks)

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