Objective To investigate of iodine nutritional status of the children in Heilongjiang in 2001 and to study the effect of iodized salt level on iodine nutritional status.

• 目的了解黑龙江省部分地区2001年碘缺乏病现状,研究目前的食盐加碘水平对人群碘营养状况的影响。