(Q40484476)
Statements
1 reference
A double-blind, randomized, clinical trial of the effect of vitamin A and zinc supplementation on diarrheal disease and respiratory tract infections in children in Mexico City, Mexico (English)
1 reference
Ellen Hertzmark
1 reference
Kurt Z Long
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Yura Montoya
1 reference
Jose I Santos
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Jorge L Rosado
1 reference
1 March 2006
1 reference
1 reference