铁是促进人体生长发育所必需的元素之一，目前缺铁性贫血是我国乃至全球性的威胁小儿健康的营养缺乏病之一。自九十年代以来，为改善牛乳中铁含量少、吸收差等缺点，多种改良后的奶粉（配方乳）相继出现。为了了解牛乳喂养儿、配方乳喂养儿早期缺铁性贫血的发病情况，我们... Iron is one of the necessary elements to promote human growth and development, at present, iron deficiency anemia is one of the nutritional deficiencies that threaten the health of children in China and even in the world. Since the nineties, to improve milk less iron content, poor absorption and other shortcomings, a variety of improved milk powder (formula milk) one after another. In order to understand the incidence of early-stage iron-deficiency anemia in milk-fed children and formula-fed children, we ...