Maternal low-dose vitamin A or b -carotene supplementation has no effect on fetal loss and early infant mortality: a randomized cluster trial in Nepal 1–4 Study Group
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J. Katz | S. Khatry | S. LeClerq | R. Adhikari | P. Christian | L. Wu | E. Pradhan | S. Shrestha | K. West | Alfred Sommer