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Title
Zinc plus β-carotene supplementation of pregnant women is superior to β-carotene supplementation alone in improving vitamin A status in both mothers and infants
Authors
Dijkhuizen, Marjoleine A; Wieringa, Frank T; West, Clive E; Muhilal
Publication
The American Journal of Clinical Nutrition, 2004, Vol 80, Issue 5, p1299