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Concentrations of retinol in breast milk before and after tangerine and sweet potato interventions. (A) Concentrations (μM ± SEM). (B) Concentration changes normalized for changes in milk fat concentration. Abbreviations: OFSP, treatment group fed orange-fleshed sweet potatoes; VA, treatment group given vitamin A supplement capsules. Data from a study of 135 lactating Bangladeshi women; Turner et al. (2013).60
