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  Indian J Med Microbiol
 

Figure 2 There was a significant positive correlation between serum zinc level and IQ in children with attention-deficit hyperactivity disorder, that is, the higher serum zinc level of the child, the higher his IQ, which indicates that zinc affects different cognitive functions in children with attention-deficit hyperactivity disorder.

Figure 2 There was a significant positive correlation between serum zinc level and IQ in children with attention-deficit hyperactivity disorder, that is, the higher serum zinc level of the child, the higher his IQ, which indicates that zinc affects different cognitive functions in children with attention-deficit hyperactivity disorder.