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The vitamin A status of low-income women (n = 57) during the third trimester of pregnancy was assessed by use of the modified relative dose response (MRDR) test. Non-Hispanic White (45), Hispanic (6), Afro-American (5), and Asian (1) women were recruited from public health programs in central Iowa. Serum retinol, β-carotene, α-carotene, lycopene, α-tocopherol, and cholesterol concentrations were...
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