2Karl Alarcon,Patrick W Kolsteren,Ana M Prada,et al.Effects of separate delivery of zinc or zinc and vitamin A on hemoglobin response,growth and diarrhen in young Peruvian children receiving iron therapy foranemia[J].The American Tournal of Clinical Nutrition,2004,80:1276-1282.
5Karl Alarcon, Patrick W Kolsteren, Ana M Prada, et al. Effects of separate delivery of zinc or zinc and vitamin A on hemoglobin response, growth, and diarrhen in young Peruvian children receiving iron therapy for anemia[ M]. The American Toumal of Clinical Nutrition.2004:1276-1282.