학술논문

Effect of vitamin A supplementation in women of reproductive age on maternal survival in Ghana (ObaapaVitA): a cluster-randomised, placebo-controlled trial.
Document Type
Academic Journal
Source
Lancet (LANCET), 5/8/2010; 375(9726): 1640-1649. (10p)
Subject
Language
English
ISSN
0140-6736