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Children with and without enamel hypoplasia by maternal mean circulating serum 25(OH)D (ng/ml) and by gestational weeks of pregnancy. Hypoplasia of incisal location of teeth plotted for gestational weeks 12-16, hypoplasia of middle location plotted for weeks 20-32, and cervical hypoplasia plotted for weeks 36-40 (plots from bolded values of Table 2).
