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Kernel density distributions of breast milk vitamin A concentration (expressed as µg/g fat and subjected to natural logarithm transformation) among a representative sample of breastfeeding women in Yaoundé and Douala, Cameroon, two years before and one year after the introduction of vitamin A-fortified cooking oil through a mandatory national program. Breast milk vitamin A concentration is compared to the cutoff for low milk vitamin A concentration, 8 µg/g fat.
