Fig. 1From: Iodine status five years after the adjustment of universal salt iodization: a cross-sectional study in Fujian Province, ChinaPercentage of qualified and unqualified iodized salt collected from household in 2009 and 2017. The left pie chart is the percentage of qualified and unqualified iodized salt in 2009 (n=522), the right pie chart is the percentage of qualified and unqualified iodized salt in 2017 (n=566)Back to article page