Biofortified orange maize is as efficacious as a vitamin A supplement in Zambian children even in the presence of high liver reserves of vitamin A: a community-based, randomized placebo-controlled trial

一项以社区为基础的随机安慰剂对照试验表明，即使肝脏中维生素 A 储备量较高，生物强化橙色玉米对赞比亚儿童也具有与维生素 A 补充剂一样的功效