7Aggett PJ, Agostoni C, Axelsson Iet al. Iron metabolism and requirements in early childhood: do we know enough? A commentary by the ESPGHAN Committee on nutrition [ J] . J Pediatr Gastroenterol Nutr, 2002, 34 (4): 337.
8Pinell IJ, Saigal S, Atkinson SA. Effect of breastmilk consumption on neurodevelopment outcomes at 6 and 12 months of age in VLBW infants [J]. Adv Nepnatal Care, 2003, 3 (2): 76.
9WHO. Assessing the iron status of populations [ M] . 2nd ed. Geneva: Switzerland, 2007.
