Vitamin a supplementation enhances infants' immune responses to hepatitis B vaccine but does not affect responses to Haemophilus influenzae type b vaccineNEWTON, Sam; OWUSU-AGYEI, Seth; AMPOFO, William et al.The Journal of nutrition. 2007, Vol 137, Num 5, pp 1272-1277, issn 0022-3166, 6 p.Article

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Effect of vitamin A supplementation in women of reproductive age on maternal survival in Ghana (ObaapaVitA): a cluster-randomised, placebo-controlled trialKIRKWOOD, Betty R; HURT, Lisa; FENTY, Justin et al.Lancet (British edition). 2010, Vol 375, Num 9726, pp 1640-1649, issn 0140-6736, 10 p.Article