Proxy markers of serum retinol concentration, used alone and in combination, to assess population vitamin A status in Kenyan children: a cross-sectional study

por Talsma, Elise F, Verhoef, Hans, Brouwer, Inge D, Mburu-de Wagt, Anne S, Hulshof, Paul JM, Melse-Boonstra, Alida
Publicado 2015