Age-specific reference intervals for plasma vitamins A, E and beta-carotene and for serum zinc, retinol-binding protein and prealbumin for Sydney children aged 9-62 months

Karr M, Mira M, Causer J, Earl J, Alperstein G, Wood F, Fett MJ, Coakley J. Age-specific reference intervals for plasma vitamins A, E and beta-carotene and for serum zinc, retinol-binding protein and prealbumin for Sydney children aged 9-62 months. Int J Vitam Nutr Res. 1997; 67(6): 432-6.